./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.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_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 5667765c016e1c72bafcc0c365d87d7652cb3eb1 ...................................................................................................................................... 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_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 5667765c016e1c72bafcc0c365d87d7652cb3eb1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:59:09,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:59:09,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:59:09,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:59:09,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:59:09,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:59:09,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:59:09,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:59:09,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:59:09,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:59:09,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:59:09,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:59:09,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:59:09,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:59:09,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:59:09,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:59:09,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:59:09,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:59:09,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:59:09,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:59:09,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:59:09,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:59:09,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:59:09,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:59:09,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:59:09,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:59:09,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:59:09,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:59:09,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:59:09,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:59:09,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:59:09,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:59:09,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:59:09,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:59:09,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:59:09,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:59:09,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:59:09,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:59:09,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:59:09,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:59:09,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:59:09,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:59:09,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:59:09,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:59:09,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:59:09,509 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:59:09,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:59:09,509 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:59:09,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:59:09,510 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:59:09,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:59:09,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:59:09,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:59:09,510 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:59:09,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:59:09,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:59:09,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:59:09,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:59:09,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:59:09,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:59:09,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:59:09,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:59:09,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:59:09,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:59:09,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:59:09,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:59:09,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:59:09,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:59:09,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:59:09,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:59:09,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:59:09,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:59:09,516 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_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 -> 5667765c016e1c72bafcc0c365d87d7652cb3eb1 [2019-12-07 16:59:09,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:59:09,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:59:09,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:59:09,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:59:09,628 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:59:09,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2019-12-07 16:59:09,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/62f01ab94/dcb19fbdbfee4f18ab91fef1c0ec5bb3/FLAGd1b3203b6 [2019-12-07 16:59:10,133 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:59:10,133 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2019-12-07 16:59:10,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/62f01ab94/dcb19fbdbfee4f18ab91fef1c0ec5bb3/FLAGd1b3203b6 [2019-12-07 16:59:10,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/62f01ab94/dcb19fbdbfee4f18ab91fef1c0ec5bb3 [2019-12-07 16:59:10,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:59:10,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:59:10,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:10,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:59:10,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:59:10,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:10" (1/1) ... [2019-12-07 16:59:10,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:10, skipping insertion in model container [2019-12-07 16:59:10,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:10" (1/1) ... [2019-12-07 16:59:10,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:59:10,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:10,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:10,418 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 16:59:10,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d42b735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:10, skipping insertion in model container [2019-12-07 16:59:10,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:10,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:59:10,420 INFO L168 Benchmark]: Toolchain (without parser) took 266.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:10,421 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:10,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:10,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 271]: 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 16:59:11,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:59:11,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:59:11,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:59:11,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:59:11,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:59:11,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:59:11,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:59:11,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:59:11,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:59:11,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:59:11,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:59:11,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:59:11,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:59:11,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:59:11,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:59:11,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:59:11,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:59:11,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:59:11,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:59:11,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:59:11,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:59:11,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:59:11,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:59:11,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:59:11,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:59:11,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:59:11,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:59:11,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:59:11,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:59:11,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:59:11,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:59:11,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:59:11,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:59:11,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:59:11,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:59:11,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:59:11,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:59:11,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:59:11,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:59:11,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:59:11,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:59:11,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:59:11,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:59:11,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:59:11,594 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:59:11,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:59:11,594 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:59:11,594 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:59:11,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:59:11,594 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:59:11,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:59:11,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:59:11,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:59:11,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:59:11,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:59:11,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:59:11,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:59:11,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:59:11,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:59:11,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:59:11,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:59:11,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:59:11,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:59:11,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:59:11,599 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_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 -> 5667765c016e1c72bafcc0c365d87d7652cb3eb1 [2019-12-07 16:59:11,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:59:11,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:59:11,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:59:11,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:59:11,796 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:59:11,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2019-12-07 16:59:11,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/ad1e1432c/010adb1019bf4d4796d70e1b6b30c25b/FLAG804b044ca [2019-12-07 16:59:12,318 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:59:12,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2019-12-07 16:59:12,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/ad1e1432c/010adb1019bf4d4796d70e1b6b30c25b/FLAG804b044ca [2019-12-07 16:59:12,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/data/ad1e1432c/010adb1019bf4d4796d70e1b6b30c25b [2019-12-07 16:59:12,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:59:12,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:59:12,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:12,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:59:12,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:59:12,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,344 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 04:59:12, skipping insertion in model container [2019-12-07 16:59:12,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:59:12,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:12,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:12,590 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:59:12,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:12,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:12,635 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:59:12,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:12,693 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:59:12,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12 WrapperNode [2019-12-07 16:59:12,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:12,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:59:12,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:59:12,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:59:12,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:59:12,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:59:12,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:59:12,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:59:12,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... [2019-12-07 16:59:12,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:59:12,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:59:12,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:59:12,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:59:12,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:59:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:59:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:59:12,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:59:13,293 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:59:13,293 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 16:59:13,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:13 BoogieIcfgContainer [2019-12-07 16:59:13,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:59:13,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:59:13,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:59:13,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:59:13,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:59:12" (1/3) ... [2019-12-07 16:59:13,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775a7ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:13, skipping insertion in model container [2019-12-07 16:59:13,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:12" (2/3) ... [2019-12-07 16:59:13,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775a7ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:13, skipping insertion in model container [2019-12-07 16:59:13,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:13" (3/3) ... [2019-12-07 16:59:13,299 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2019-12-07 16:59:13,306 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:59:13,311 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:59:13,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:59:13,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:59:13,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:59:13,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:59:13,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:59:13,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:59:13,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:59:13,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:59:13,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:59:13,346 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 16:59:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:59:13,350 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:13,351 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:13,351 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:13,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2019-12-07 16:59:13,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:13,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136842048] [2019-12-07 16:59:13,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:13,497 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:59:13,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:13,512 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 16:59:13,512 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:13,516 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 16:59:13,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136842048] [2019-12-07 16:59:13,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:13,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:59:13,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383914994] [2019-12-07 16:59:13,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:59:13,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:13,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:59:13,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:59:13,531 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 16:59:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:13,550 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2019-12-07 16:59:13,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:59:13,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:59:13,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:13,559 INFO L225 Difference]: With dead ends: 162 [2019-12-07 16:59:13,559 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 16:59:13,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:59:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 16:59:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 16:59:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 16:59:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2019-12-07 16:59:13,590 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2019-12-07 16:59:13,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:13,590 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2019-12-07 16:59:13,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:59:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2019-12-07 16:59:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:59:13,591 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:13,591 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:13,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:59:13,792 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:13,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:13,793 INFO L82 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2019-12-07 16:59:13,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:13,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493348126] [2019-12-07 16:59:13,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:14,002 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:59:14,004 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:14,018 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 16:59:14,018 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:14,026 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 16:59:14,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493348126] [2019-12-07 16:59:14,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:14,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:59:14,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893682709] [2019-12-07 16:59:14,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:59:14,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:14,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:59:14,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:14,029 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 4 states. [2019-12-07 16:59:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:14,039 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2019-12-07 16:59:14,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:59:14,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:59:14,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:14,041 INFO L225 Difference]: With dead ends: 80 [2019-12-07 16:59:14,041 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 16:59:14,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:14,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 16:59:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 16:59:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 16:59:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2019-12-07 16:59:14,046 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2019-12-07 16:59:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:14,046 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-12-07 16:59:14,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:59:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-12-07 16:59:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:59:14,047 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:14,047 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 16:59:14,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:59:14,248 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:14,248 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2019-12-07 16:59:14,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:14,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553502451] [2019-12-07 16:59:14,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:14,352 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:59:14,354 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:14,362 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 16:59:14,362 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:14,369 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 16:59:14,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553502451] [2019-12-07 16:59:14,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:14,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:59:14,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733274012] [2019-12-07 16:59:14,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:59:14,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:14,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:59:14,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:14,371 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 4 states. [2019-12-07 16:59:14,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:14,379 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2019-12-07 16:59:14,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:59:14,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 16:59:14,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:14,381 INFO L225 Difference]: With dead ends: 66 [2019-12-07 16:59:14,381 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 16:59:14,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:14,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 16:59:14,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 16:59:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 16:59:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2019-12-07 16:59:14,387 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2019-12-07 16:59:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:14,387 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2019-12-07 16:59:14,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:59:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2019-12-07 16:59:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:59:14,388 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:14,388 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 16:59:14,589 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:59:14,589 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:14,590 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2019-12-07 16:59:14,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:14,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506419532] [2019-12-07 16:59:14,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:14,713 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:59:14,715 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:14,720 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 16:59:14,721 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:14,723 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 16:59:14,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506419532] [2019-12-07 16:59:14,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:14,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:59:14,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283666605] [2019-12-07 16:59:14,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:59:14,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:14,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:59:14,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:59:14,725 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2019-12-07 16:59:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:14,769 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2019-12-07 16:59:14,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:59:14,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 16:59:14,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:14,770 INFO L225 Difference]: With dead ends: 89 [2019-12-07 16:59:14,770 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 16:59:14,771 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 16:59:14,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 16:59:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-12-07 16:59:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 16:59:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-12-07 16:59:14,777 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2019-12-07 16:59:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:14,777 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-12-07 16:59:14,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:59:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-12-07 16:59:14,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 16:59:14,778 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:14,778 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] [2019-12-07 16:59:14,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:59:14,979 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:14,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2019-12-07 16:59:14,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:14,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966855398] [2019-12-07 16:59:14,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:15,088 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:59:15,089 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:15,103 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 16:59:15,103 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:15,109 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 16:59:15,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966855398] [2019-12-07 16:59:15,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:15,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:59:15,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595214700] [2019-12-07 16:59:15,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:59:15,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:15,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:59:15,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:59:15,111 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2019-12-07 16:59:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:15,146 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2019-12-07 16:59:15,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:59:15,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 16:59:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:15,148 INFO L225 Difference]: With dead ends: 149 [2019-12-07 16:59:15,148 INFO L226 Difference]: Without dead ends: 98 [2019-12-07 16:59:15,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 16:59:15,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-12-07 16:59:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2019-12-07 16:59:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 16:59:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-12-07 16:59:15,154 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2019-12-07 16:59:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:15,154 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-12-07 16:59:15,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:59:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-12-07 16:59:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 16:59:15,155 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:15,155 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] [2019-12-07 16:59:15,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:59:15,356 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:15,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2019-12-07 16:59:15,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:15,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530178524] [2019-12-07 16:59:15,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:15,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:59:15,512 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:15,526 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 16:59:15,526 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:15,550 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 16:59:15,550 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530178524] [2019-12-07 16:59:15,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:15,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 16:59:15,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009812718] [2019-12-07 16:59:15,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:59:15,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:59:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:59:15,552 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 8 states. [2019-12-07 16:59:15,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:15,813 INFO L93 Difference]: Finished difference Result 630 states and 907 transitions. [2019-12-07 16:59:15,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 16:59:15,813 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 16:59:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:15,817 INFO L225 Difference]: With dead ends: 630 [2019-12-07 16:59:15,818 INFO L226 Difference]: Without dead ends: 576 [2019-12-07 16:59:15,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 16:59:15,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-12-07 16:59:15,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2019-12-07 16:59:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-12-07 16:59:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2019-12-07 16:59:15,843 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 31 [2019-12-07 16:59:15,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:15,843 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2019-12-07 16:59:15,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:59:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2019-12-07 16:59:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 16:59:15,845 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:15,845 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] [2019-12-07 16:59:16,045 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 16:59:16,046 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:16,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:16,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2019-12-07 16:59:16,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:16,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22671883] [2019-12-07 16:59:16,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:16,187 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:59:16,188 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:16,196 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 16:59:16,196 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:16,198 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 16:59:16,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22671883] [2019-12-07 16:59:16,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:16,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:59:16,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618567706] [2019-12-07 16:59:16,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:59:16,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:16,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:59:16,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:16,199 INFO L87 Difference]: Start difference. First operand 153 states and 210 transitions. Second operand 4 states. [2019-12-07 16:59:16,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:16,230 INFO L93 Difference]: Finished difference Result 374 states and 523 transitions. [2019-12-07 16:59:16,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:59:16,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 16:59:16,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:16,232 INFO L225 Difference]: With dead ends: 374 [2019-12-07 16:59:16,232 INFO L226 Difference]: Without dead ends: 273 [2019-12-07 16:59:16,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:59:16,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-12-07 16:59:16,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 152. [2019-12-07 16:59:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 16:59:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2019-12-07 16:59:16,245 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2019-12-07 16:59:16,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:16,245 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2019-12-07 16:59:16,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:59:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2019-12-07 16:59:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 16:59:16,246 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:16,246 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] [2019-12-07 16:59:16,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:59:16,448 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:16,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:16,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2019-12-07 16:59:16,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:16,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185648231] [2019-12-07 16:59:16,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:16,576 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:59:16,577 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:16,588 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 16:59:16,588 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:16,605 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 16:59:16,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185648231] [2019-12-07 16:59:16,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:16,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:59:16,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242728177] [2019-12-07 16:59:16,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:59:16,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:16,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:59:16,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:59:16,607 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 8 states. [2019-12-07 16:59:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:16,841 INFO L93 Difference]: Finished difference Result 388 states and 540 transitions. [2019-12-07 16:59:16,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:59:16,841 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 16:59:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:16,842 INFO L225 Difference]: With dead ends: 388 [2019-12-07 16:59:16,842 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 16:59:16,843 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:59:16,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 16:59:16,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2019-12-07 16:59:16,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 16:59:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2019-12-07 16:59:16,852 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2019-12-07 16:59:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:16,852 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2019-12-07 16:59:16,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:59:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2019-12-07 16:59:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 16:59:16,853 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:16,853 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] [2019-12-07 16:59:17,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:59:17,054 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:17,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:17,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2019-12-07 16:59:17,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:17,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722471760] [2019-12-07 16:59:17,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/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 16:59:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:17,171 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:59:17,172 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:17,184 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 16:59:17,185 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:17,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722471760] [2019-12-07 16:59:17,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:17,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:59:17,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950453376] [2019-12-07 16:59:17,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:59:17,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:17,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:59:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:59:17,203 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand 8 states. [2019-12-07 16:59:17,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:17,239 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2019-12-07 16:59:17,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:59:17,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 16:59:17,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:17,239 INFO L225 Difference]: With dead ends: 160 [2019-12-07 16:59:17,239 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:59:17,240 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:59:17,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:59:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:59:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:59:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:59:17,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-12-07 16:59:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:17,240 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:59:17,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:59:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:59:17,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:59:17,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:59:17,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:59:18,016 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 16 [2019-12-07 16:59:18,173 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 16 [2019-12-07 16:59:18,361 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-12-07 16:59:18,539 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2019-12-07 16:59:18,670 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-12-07 16:59:18,821 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 16 [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L828-3(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L828-5(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2019-12-07 16:59:18,826 INFO L246 CegarLoopResult]: For program point L828-6(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,827 INFO L246 CegarLoopResult]: For program point L828-8(lines 828 832) no Hoare annotation was computed. [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L779(lines 774 782) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2) (and .cse0 .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse2))) [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: false [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-12-07 16:59:18,827 INFO L242 CegarLoopResult]: At program point L895(lines 1 906) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:59:18,827 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:59:18,827 INFO L246 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2019-12-07 16:59:18,827 INFO L246 CegarLoopResult]: For program point L730-1(lines 730 738) no Hoare annotation was computed. [2019-12-07 16:59:18,827 INFO L246 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L664-2(lines 694 700) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L242 CegarLoopResult]: At program point L202(lines 198 204) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L242 CegarLoopResult]: At program point L648-1(lines 648 654) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,828 INFO L242 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L848-2(lines 848 868) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L246 CegarLoopResult]: For program point L848-4(lines 848 868) no Hoare annotation was computed. [2019-12-07 16:59:18,828 INFO L242 CegarLoopResult]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse0 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,828 INFO L242 CegarLoopResult]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L249 CegarLoopResult]: At program point L238(lines 219 241) the Hoare annotation is: true [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L701-1(lines 701 707) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L701-2(lines 701 707) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L834(lines 819 837) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse4 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) .cse2 .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3))) [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L834-1(lines 819 837) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:59:18,829 INFO L242 CegarLoopResult]: At program point L834-2(lines 819 837) the Hoare annotation is: false [2019-12-07 16:59:18,829 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-12-07 16:59:18,829 INFO L246 CegarLoopResult]: For program point L157-1(lines 694 700) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L638-1(lines 638 644) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L903(lines 898 906) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L854-1(lines 1 906) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L854-2(lines 854 867) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L854-3(lines 1 906) the Hoare annotation is: false [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L854-4(lines 854 867) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L854-5(lines 1 906) the Hoare annotation is: false [2019-12-07 16:59:18,830 INFO L242 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: false [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2019-12-07 16:59:18,830 INFO L246 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L249 CegarLoopResult]: At program point L229-1(lines 229 236) the Hoare annotation is: true [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L858-2(lines 858 864) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L858-4(lines 858 864) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L726-1(lines 726 743) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L242 CegarLoopResult]: At program point L694(lines 693 712) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) .cse1))) [2019-12-07 16:59:18,831 INFO L246 CegarLoopResult]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2019-12-07 16:59:18,831 INFO L242 CegarLoopResult]: At program point L694-2(lines 693 712) the Hoare annotation is: false [2019-12-07 16:59:18,832 INFO L242 CegarLoopResult]: At program point L694-3(lines 693 712) the Hoare annotation is: false [2019-12-07 16:59:18,832 INFO L246 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2019-12-07 16:59:18,832 INFO L246 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,832 INFO L246 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,832 INFO L246 CegarLoopResult]: For program point L613-2(line 613) no Hoare annotation was computed. [2019-12-07 16:59:18,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:59:18 BoogieIcfgContainer [2019-12-07 16:59:18,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:59:18,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:59:18,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:59:18,847 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:59:18,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:13" (3/4) ... [2019-12-07 16:59:18,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:59:18,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:59:18,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:59:18,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:59:18,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:59:18,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:59:18,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:59:18,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:59:18,883 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 16:59:18,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(2bv32 == \result)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:59:18,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) [2019-12-07 16:59:18,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 16:59:18,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a241785-d793-445c-8e5a-5baf6a8dc55f/bin/utaipan/witness.graphml [2019-12-07 16:59:18,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:59:18,914 INFO L168 Benchmark]: Toolchain (without parser) took 6574.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -281.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,914 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:18,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,915 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:18,915 INFO L168 Benchmark]: RCFGBuilder took 529.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,915 INFO L168 Benchmark]: TraceAbstraction took 5551.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,915 INFO L168 Benchmark]: Witness Printer took 66.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:18,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 529.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5551.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 613]: 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: 117]: Loop Invariant Derived loop invariant: (((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(2bv32 == \result)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && splverifierCounter == 0bv32) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((tmp == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 680 SDtfs, 1033 SDslu, 1510 SDs, 0 SdLazy, 217 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 105 NumberOfFragments, 421 HoareAnnotationTreeSize, 33 FomulaSimplifications, 17347 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 4860 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 24947 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1727 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...