./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ...................................................................................................................................... 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_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:49:40,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:40,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:40,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:40,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:40,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:40,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:40,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:40,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:40,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:40,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:40,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:40,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:40,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:40,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:40,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:40,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:40,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:40,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:40,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:40,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:40,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:40,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:40,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:40,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:40,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:40,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:40,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:40,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:40,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:40,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:40,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:40,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:40,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:40,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:40,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:40,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:40,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:40,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:40,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:40,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:40,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:49:40,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:40,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:40,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:40,488 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:40,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:40,488 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:40,489 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:49:40,489 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:40,489 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:40,489 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:49:40,489 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:49:40,490 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:40,490 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:49:40,490 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:49:40,490 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:49:40,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:40,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:40,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:40,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:40,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:40,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:40,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:40,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:40,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:40,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:40,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:40,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:40,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:40,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:40,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:40,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:40,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:40,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:40,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:40,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:40,495 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:49:40,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:49:40,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:40,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:40,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:40,495 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_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-12-07 11:49:40,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:40,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:40,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:40,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:40,612 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:40,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-12-07 11:49:40,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/c1151e70b/bb33c4d1bcb44888b97c612f25c3e0b4/FLAG77f62fe75 [2019-12-07 11:49:41,071 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:41,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-12-07 11:49:41,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/c1151e70b/bb33c4d1bcb44888b97c612f25c3e0b4/FLAG77f62fe75 [2019-12-07 11:49:41,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/c1151e70b/bb33c4d1bcb44888b97c612f25c3e0b4 [2019-12-07 11:49:41,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:41,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:41,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:41,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:41,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:41,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:41" (1/1) ... [2019-12-07 11:49:41,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:41, skipping insertion in model container [2019-12-07 11:49:41,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:41" (1/1) ... [2019-12-07 11:49:41,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:41,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:41,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:41,370 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 11:49:41,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50e14ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:41, skipping insertion in model container [2019-12-07 11:49:41,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:41,371 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:49:41,373 INFO L168 Benchmark]: Toolchain (without parser) took 280.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:41,373 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:41,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:41,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 588]: 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 11:49:42,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:42,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:42,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:42,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:42,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:42,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:42,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:42,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:42,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:42,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:42,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:42,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:42,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:42,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:42,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:42,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:42,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:42,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:42,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:42,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:42,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:42,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:42,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:42,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:42,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:42,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:42,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:42,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:42,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:42,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:42,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:42,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:42,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:42,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:42,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:42,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:42,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:42,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:42,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:42,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:42,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:49:42,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:42,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:42,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:42,616 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:42,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:42,617 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:42,617 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:42,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:42,617 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:42,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:42,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:42,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:42,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:42,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:42,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:42,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:42,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:42,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:49:42,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:49:42,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:42,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:42,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:42,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:42,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:42,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:49:42,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:42,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:42,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:42,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:42,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:42,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:42,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:49:42,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:49:42,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:42,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:42,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:42,623 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_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-12-07 11:49:42,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:42,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:42,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:42,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:42,797 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:42,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-12-07 11:49:42,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/8d17e7866/30862fe96b4f4652870363a4b3f95e56/FLAG33887bbd4 [2019-12-07 11:49:43,292 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:43,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-12-07 11:49:43,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/8d17e7866/30862fe96b4f4652870363a4b3f95e56/FLAG33887bbd4 [2019-12-07 11:49:43,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/data/8d17e7866/30862fe96b4f4652870363a4b3f95e56 [2019-12-07 11:49:43,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:43,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:43,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:43,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:43,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:43,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,320 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 11:49:43, skipping insertion in model container [2019-12-07 11:49:43,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:43,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:43,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:43,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:49:43,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:43,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:43,666 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:43,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:43,730 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43 WrapperNode [2019-12-07 11:49:43,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:43,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:43,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:43,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:43,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:43,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:43,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:43,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:43,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... [2019-12-07 11:49:43,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:43,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:43,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:43,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:43,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:49:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:49:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:44,391 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:44,391 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 11:49:44,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:44 BoogieIcfgContainer [2019-12-07 11:49:44,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:44,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:44,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:44,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:44,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:43" (1/3) ... [2019-12-07 11:49:44,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435b1d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:44, skipping insertion in model container [2019-12-07 11:49:44,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:43" (2/3) ... [2019-12-07 11:49:44,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435b1d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:44, skipping insertion in model container [2019-12-07 11:49:44,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:44" (3/3) ... [2019-12-07 11:49:44,397 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2019-12-07 11:49:44,404 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:44,410 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:49:44,418 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:49:44,434 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:44,435 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:44,435 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:44,435 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:44,435 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:44,435 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:44,435 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:44,435 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-12-07 11:49:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:49:44,452 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:44,453 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 11:49:44,453 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:44,457 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2019-12-07 11:49:44,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:44,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121456536] [2019-12-07 11:49:44,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:44,590 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:49:44,593 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:44,603 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 11:49:44,604 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:44,607 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 11:49:44,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121456536] [2019-12-07 11:49:44,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:44,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:49:44,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135286176] [2019-12-07 11:49:44,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:49:44,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:44,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:49:44,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:49:44,622 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-12-07 11:49:44,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:44,644 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-12-07 11:49:44,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:49:44,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 11:49:44,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:44,653 INFO L225 Difference]: With dead ends: 235 [2019-12-07 11:49:44,653 INFO L226 Difference]: Without dead ends: 117 [2019-12-07 11:49:44,656 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 11:49:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-12-07 11:49:44,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-12-07 11:49:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-12-07 11:49:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-12-07 11:49:44,687 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-12-07 11:49:44,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:44,687 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-12-07 11:49:44,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:49:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-12-07 11:49:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:49:44,688 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:44,688 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 11:49:44,889 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:49:44,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:44,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2019-12-07 11:49:44,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:44,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844446141] [2019-12-07 11:49:44,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:45,074 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:45,075 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:45,090 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 11:49:45,090 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:45,099 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 11:49:45,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844446141] [2019-12-07 11:49:45,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:45,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:49:45,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963995338] [2019-12-07 11:49:45,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:45,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:45,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:45,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:45,103 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 4 states. [2019-12-07 11:49:45,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:45,117 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-12-07 11:49:45,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:45,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 11:49:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:45,118 INFO L225 Difference]: With dead ends: 117 [2019-12-07 11:49:45,118 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 11:49:45,119 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 11:49:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 11:49:45,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 11:49:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 11:49:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 11:49:45,126 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-12-07 11:49:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:45,126 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 11:49:45,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 11:49:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:49:45,127 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:45,127 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 11:49:45,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:49:45,328 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:45,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:45,328 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2019-12-07 11:49:45,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:45,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562850365] [2019-12-07 11:49:45,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:45,431 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:45,433 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:45,440 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 11:49:45,440 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:45,448 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 11:49:45,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562850365] [2019-12-07 11:49:45,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:45,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:49:45,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807447850] [2019-12-07 11:49:45,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:45,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:45,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:45,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:45,450 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2019-12-07 11:49:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:45,459 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-12-07 11:49:45,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:45,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 11:49:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:45,460 INFO L225 Difference]: With dead ends: 91 [2019-12-07 11:49:45,461 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 11:49:45,461 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 11:49:45,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 11:49:45,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 11:49:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 11:49:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-12-07 11:49:45,467 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-12-07 11:49:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:45,468 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-12-07 11:49:45,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-12-07 11:49:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:49:45,469 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:45,469 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:45,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:49:45,670 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:45,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:45,671 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2019-12-07 11:49:45,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:45,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377594342] [2019-12-07 11:49:45,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:45,828 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:45,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:45,836 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 11:49:45,836 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:45,839 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 11:49:45,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377594342] [2019-12-07 11:49:45,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:45,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 11:49:45,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910165954] [2019-12-07 11:49:45,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:45,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:45,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:45,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:45,842 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-12-07 11:49:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:45,894 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 11:49:45,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:45,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 11:49:45,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:45,895 INFO L225 Difference]: With dead ends: 113 [2019-12-07 11:49:45,895 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 11:49:45,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:45,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 11:49:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-12-07 11:49:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-12-07 11:49:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-12-07 11:49:45,903 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-12-07 11:49:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:45,903 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-12-07 11:49:45,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-12-07 11:49:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 11:49:45,904 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:45,904 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 11:49:46,105 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:49:46,106 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:46,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:46,107 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2019-12-07 11:49:46,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:46,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871798722] [2019-12-07 11:49:46,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:46,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:49:46,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:46,285 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 11:49:46,285 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:46,291 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 11:49:46,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871798722] [2019-12-07 11:49:46,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:46,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 11:49:46,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890096098] [2019-12-07 11:49:46,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:49:46,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:46,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:49:46,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:46,293 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-12-07 11:49:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:46,344 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-12-07 11:49:46,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:46,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 11:49:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:46,345 INFO L225 Difference]: With dead ends: 182 [2019-12-07 11:49:46,345 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 11:49:46,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 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 11:49:46,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 11:49:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-12-07 11:49:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 11:49:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-12-07 11:49:46,353 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-12-07 11:49:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:46,353 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-12-07 11:49:46,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:49:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-12-07 11:49:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 11:49:46,354 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:46,354 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 11:49:46,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:49:46,556 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:46,557 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2019-12-07 11:49:46,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:46,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368294305] [2019-12-07 11:49:46,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:46,702 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:49:46,704 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:46,719 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 11:49:46,719 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:46,723 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 11:49:46,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368294305] [2019-12-07 11:49:46,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:46,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 11:49:46,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124248044] [2019-12-07 11:49:46,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:49:46,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:46,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:49:46,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:46,724 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-12-07 11:49:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:46,797 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-12-07 11:49:46,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:49:46,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 11:49:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:46,800 INFO L225 Difference]: With dead ends: 387 [2019-12-07 11:49:46,800 INFO L226 Difference]: Without dead ends: 319 [2019-12-07 11:49:46,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-12-07 11:49:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-12-07 11:49:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-12-07 11:49:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-12-07 11:49:46,818 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-12-07 11:49:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:46,818 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-12-07 11:49:46,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:49:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-12-07 11:49:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:49:46,820 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:46,820 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:47,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 11:49:47,022 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2019-12-07 11:49:47,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:47,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640438885] [2019-12-07 11:49:47,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:47,163 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:49:47,165 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:47,177 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 11:49:47,177 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:47,180 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 11:49:47,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640438885] [2019-12-07 11:49:47,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:47,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 11:49:47,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129619657] [2019-12-07 11:49:47,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:49:47,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:47,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:49:47,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:47,181 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-12-07 11:49:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:47,297 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-12-07 11:49:47,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:49:47,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 11:49:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:47,300 INFO L225 Difference]: With dead ends: 506 [2019-12-07 11:49:47,300 INFO L226 Difference]: Without dead ends: 378 [2019-12-07 11:49:47,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-12-07 11:49:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-12-07 11:49:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 11:49:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-12-07 11:49:47,315 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-12-07 11:49:47,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:47,316 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-12-07 11:49:47,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:49:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-12-07 11:49:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:49:47,317 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:47,317 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:47,518 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 11:49:47,519 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:47,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:47,520 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2019-12-07 11:49:47,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:47,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753002463] [2019-12-07 11:49:47,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:47,652 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:49:47,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:47,661 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 11:49:47,661 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:47,670 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 11:49:47,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753002463] [2019-12-07 11:49:47,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:47,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 11:49:47,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322027686] [2019-12-07 11:49:47,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:49:47,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:47,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:49:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:47,672 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2019-12-07 11:49:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:47,720 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-12-07 11:49:47,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:49:47,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 11:49:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:47,722 INFO L225 Difference]: With dead ends: 357 [2019-12-07 11:49:47,722 INFO L226 Difference]: Without dead ends: 230 [2019-12-07 11:49:47,722 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:49:47,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-12-07 11:49:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-12-07 11:49:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-12-07 11:49:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-12-07 11:49:47,731 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-12-07 11:49:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:47,731 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-12-07 11:49:47,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:49:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-12-07 11:49:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:49:47,732 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:47,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:47,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 11:49:47,934 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:47,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:47,935 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2019-12-07 11:49:47,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:47,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651022231] [2019-12-07 11:49:47,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/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 11:49:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:48,061 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:48,062 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:48,067 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:48,075 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 11:49:48,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651022231] [2019-12-07 11:49:48,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:48,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:49:48,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821298259] [2019-12-07 11:49:48,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:48,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:48,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:48,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:48,076 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 4 states. [2019-12-07 11:49:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:48,123 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2019-12-07 11:49:48,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:48,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 11:49:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:48,125 INFO L225 Difference]: With dead ends: 434 [2019-12-07 11:49:48,125 INFO L226 Difference]: Without dead ends: 299 [2019-12-07 11:49:48,125 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 11:49:48,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-12-07 11:49:48,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 247. [2019-12-07 11:49:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-12-07 11:49:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2019-12-07 11:49:48,138 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 33 [2019-12-07 11:49:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:48,138 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2019-12-07 11:49:48,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2019-12-07 11:49:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 11:49:48,139 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:48,139 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:48,339 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 11:49:48,340 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2019-12-07 11:49:48,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:48,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480313609] [2019-12-07 11:49:48,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 11:49:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:48,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:48,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:48,439 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 11:49:48,439 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:48,442 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 11:49:48,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480313609] [2019-12-07 11:49:48,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:48,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 11:49:48,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289744467] [2019-12-07 11:49:48,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:48,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:48,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:48,443 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand 3 states. [2019-12-07 11:49:48,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:48,500 INFO L93 Difference]: Finished difference Result 423 states and 564 transitions. [2019-12-07 11:49:48,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:48,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 11:49:48,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:48,503 INFO L225 Difference]: With dead ends: 423 [2019-12-07 11:49:48,503 INFO L226 Difference]: Without dead ends: 421 [2019-12-07 11:49:48,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 11:49:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-12-07 11:49:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 316. [2019-12-07 11:49:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-12-07 11:49:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2019-12-07 11:49:48,521 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 34 [2019-12-07 11:49:48,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:48,521 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2019-12-07 11:49:48,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2019-12-07 11:49:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:49:48,522 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:48,522 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:48,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 11:49:48,723 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:48,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2019-12-07 11:49:48,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:48,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623069784] [2019-12-07 11:49:48,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 11:49:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:48,874 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:48,876 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:48,882 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:48,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623069784] [2019-12-07 11:49:48,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:48,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:49:48,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166360556] [2019-12-07 11:49:48,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:48,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:48,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:48,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:48,890 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 4 states. [2019-12-07 11:49:49,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:49,087 INFO L93 Difference]: Finished difference Result 580 states and 800 transitions. [2019-12-07 11:49:49,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:49,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-12-07 11:49:49,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:49,088 INFO L225 Difference]: With dead ends: 580 [2019-12-07 11:49:49,088 INFO L226 Difference]: Without dead ends: 271 [2019-12-07 11:49:49,089 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 11:49:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-12-07 11:49:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2019-12-07 11:49:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-12-07 11:49:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2019-12-07 11:49:49,100 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 58 [2019-12-07 11:49:49,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:49,100 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2019-12-07 11:49:49,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2019-12-07 11:49:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:49:49,101 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:49,101 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:49,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 11:49:49,303 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:49,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:49,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2019-12-07 11:49:49,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:49,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800956937] [2019-12-07 11:49:49,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 11:49:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:49,457 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:49:49,459 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:49:49,478 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:49:49,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800956937] [2019-12-07 11:49:49,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:49,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:49:49,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392217043] [2019-12-07 11:49:49,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:49:49,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:49,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:49:49,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:49,499 INFO L87 Difference]: Start difference. First operand 271 states and 357 transitions. Second operand 8 states. [2019-12-07 11:49:49,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:49,578 INFO L93 Difference]: Finished difference Result 855 states and 1127 transitions. [2019-12-07 11:49:49,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:49,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-12-07 11:49:49,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:49,581 INFO L225 Difference]: With dead ends: 855 [2019-12-07 11:49:49,581 INFO L226 Difference]: Without dead ends: 591 [2019-12-07 11:49:49,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 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 11:49:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-12-07 11:49:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 283. [2019-12-07 11:49:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-12-07 11:49:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2019-12-07 11:49:49,603 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 58 [2019-12-07 11:49:49,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:49,603 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2019-12-07 11:49:49,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:49:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2019-12-07 11:49:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:49:49,604 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:49,604 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:49,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 11:49:49,805 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:49,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:49,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2019-12-07 11:49:49,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:49,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920978517] [2019-12-07 11:49:49,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 11:49:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:49,912 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:49:49,914 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:49,938 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:49,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:49:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:49,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920978517] [2019-12-07 11:49:49,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1654226712] [2019-12-07 11:49:49,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:49:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:50,138 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 11:49:50,140 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:50,149 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:50,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:49:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:50,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835022838] [2019-12-07 11:49:50,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:49:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:50,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:49:50,272 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:50,279 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:49:50,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:49:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 11:49:50,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 11:49:50,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2019-12-07 11:49:50,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608565400] [2019-12-07 11:49:50,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:49:50,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:49:50,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:49:50,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:50,289 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand 8 states. [2019-12-07 11:49:50,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:50,536 INFO L93 Difference]: Finished difference Result 655 states and 858 transitions. [2019-12-07 11:49:50,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:49:50,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-12-07 11:49:50,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:50,537 INFO L225 Difference]: With dead ends: 655 [2019-12-07 11:49:50,537 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:49:50,537 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:49:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:49:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:49:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:49:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:49:50,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-12-07 11:49:50,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:50,538 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:49:50,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:49:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:49:50,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:49:51,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:49:51,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:49:52,031 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2019-12-07 11:49:52,412 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2019-12-07 11:49:52,897 WARN L192 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-12-07 11:49:53,145 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2019-12-07 11:49:53,719 WARN L192 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 28 [2019-12-07 11:49:54,081 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2019-12-07 11:49:54,825 WARN L192 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2019-12-07 11:49:55,216 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 25 [2019-12-07 11:49:55,218 INFO L246 CegarLoopResult]: For program point L530-17(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L432(lines 432 440) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L432-1(lines 432 440) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L432-2(lines 432 440) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-12-07 11:49:55,219 INFO L246 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L930-2(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402-1(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402-2(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402-3(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402-4(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L402-5(lines 402 419) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L242 CegarLoopResult]: At program point L370(lines 369 388) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse4 .cse3))) [2019-12-07 11:49:55,220 INFO L246 CegarLoopResult]: For program point L370-1(lines 370 376) no Hoare annotation was computed. [2019-12-07 11:49:55,220 INFO L242 CegarLoopResult]: At program point L370-2(lines 369 388) the Hoare annotation is: false [2019-12-07 11:49:55,220 INFO L242 CegarLoopResult]: At program point L370-3(lines 369 388) the Hoare annotation is: false [2019-12-07 11:49:55,220 INFO L242 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:49:55,220 INFO L242 CegarLoopResult]: At program point L536(lines 521 539) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L536-1(lines 521 539) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse4 .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse5 .cse3 .cse6) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse3 .cse6))) [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L536-3(lines 521 539) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L536-4(lines 521 539) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L536-5(lines 521 539) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L242 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2019-12-07 11:49:55,221 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406-1(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406-2(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L307(lines 306 351) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406-3(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L274(lines 274 291) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406-4(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L242 CegarLoopResult]: At program point L274-1(lines 1 968) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse4 .cse3))) [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L406-5(lines 406 414) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L274-2(lines 274 291) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L242 CegarLoopResult]: At program point L274-3(lines 1 968) the Hoare annotation is: false [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L274-4(lines 274 291) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L242 CegarLoopResult]: At program point L274-5(lines 1 968) the Hoare annotation is: false [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-12-07 11:49:55,222 INFO L246 CegarLoopResult]: For program point L342-2(lines 370 376) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3) (and .cse4 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L377-1(lines 377 383) the Hoare annotation is: false [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L377-2(lines 377 383) the Hoare annotation is: false [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L278-2(lines 278 288) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L278-4(lines 278 288) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L481(lines 476 484) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4 .cse3))) [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L481-1(lines 476 484) the Hoare annotation is: false [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L481-2(lines 476 484) the Hoare annotation is: false [2019-12-07 11:49:55,223 INFO L246 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse4 .cse3))) [2019-12-07 11:49:55,223 INFO L242 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:49:55,224 INFO L242 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2019-12-07 11:49:55,224 INFO L242 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2019-12-07 11:49:55,224 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549-3(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549-5(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549-6(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L549-8(lines 549 553) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L242 CegarLoopResult]: At program point L352(lines 305 353) the Hoare annotation is: false [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L56-1(lines 370 376) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-12-07 11:49:55,224 INFO L246 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L555(lines 540 558) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L555-1(lines 540 558) the Hoare annotation is: false [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L555-2(lines 540 558) the Hoare annotation is: false [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse4 .cse3))) [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and .cse4 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point L428-1(lines 428 445) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2019-12-07 11:49:55,225 INFO L242 CegarLoopResult]: At program point L263(lines 258 265) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:49:55,225 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L242 CegarLoopResult]: At program point L957(lines 1 968) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,226 INFO L246 CegarLoopResult]: For program point L530-9(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,227 INFO L246 CegarLoopResult]: For program point L530-11(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,227 INFO L246 CegarLoopResult]: For program point L530-12(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,227 INFO L246 CegarLoopResult]: For program point L530-14(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,227 INFO L246 CegarLoopResult]: For program point L530-15(lines 530 534) no Hoare annotation was computed. [2019-12-07 11:49:55,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:55 BoogieIcfgContainer [2019-12-07 11:49:55,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:55,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:55,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:55,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:55,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:44" (3/4) ... [2019-12-07 11:49:55,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:49:55,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:49:55,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:49:55,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:49:55,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:49:55,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:49:55,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:49:55,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:49:55,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 11:49:55,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 11:49:55,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 11:49:55,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 11:49:55,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 [2019-12-07 11:49:55,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 11:49:55,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ebf0fa93-bb27-42b5-8cc3-041b4aa8e267/bin/utaipan/witness.graphml [2019-12-07 11:49:55,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:55,342 INFO L168 Benchmark]: Toolchain (without parser) took 12026.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 953.7 MB in the beginning and 903.9 MB in the end (delta: 49.8 MB). Peak memory consumption was 370.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,342 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:55,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,342 INFO L168 Benchmark]: Boogie Preprocessor took 32.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:55,343 INFO L168 Benchmark]: RCFGBuilder took 581.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,343 INFO L168 Benchmark]: TraceAbstraction took 10860.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 922.2 MB in the end (delta: 95.5 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,343 INFO L168 Benchmark]: Witness Printer took 86.82 ms. Allocated memory is still 1.3 GB. Free memory was 922.2 MB in the beginning and 903.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:55,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 581.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10860.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 922.2 MB in the end (delta: 95.5 MB). Peak memory consumption was 373.2 MB. Max. memory is 11.5 GB. * Witness Printer took 86.82 ms. Allocated memory is still 1.3 GB. Free memory was 922.2 MB in the beginning and 903.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, HoareTripleCheckerStatistics: 1257 SDtfs, 1555 SDslu, 2240 SDs, 0 SdLazy, 257 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 169 NumberOfFragments, 738 HoareAnnotationTreeSize, 43 FomulaSimplifications, 636816 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 94815 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 114271 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3102 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 148/184 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...