./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.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_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 c762bce629f36cf7371b941fff55f6d65cb160f7 ...................................................................................................................................... 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_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 c762bce629f36cf7371b941fff55f6d65cb160f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:39:40,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:39:40,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:39:40,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:39:40,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:39:40,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:39:40,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:39:40,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:39:40,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:39:40,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:39:40,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:39:40,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:39:40,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:39:40,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:39:40,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:39:40,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:39:40,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:39:40,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:39:40,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:39:40,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:39:40,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:39:40,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:39:40,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:39:40,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:39:40,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:39:40,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:39:40,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:39:40,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:39:40,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:39:40,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:39:40,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:39:40,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:39:40,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:39:40,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:39:40,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:39:40,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:39:40,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:39:40,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:39:40,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:39:40,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:39:40,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:39:40,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:39:40,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:39:40,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:39:40,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:39:40,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:39:40,478 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:39:40,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:39:40,479 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:39:40,479 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:39:40,479 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:39:40,479 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:39:40,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:39:40,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:39:40,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:39:40,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:39:40,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:39:40,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:39:40,482 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_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2019-12-07 20:39:40,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:39:40,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:39:40,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:39:40,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:39:40,591 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:39:40,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-12-07 20:39:40,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/d48c8ebe4/ab705e6f8d9242f3bea929024f298b12/FLAG182aa79d1 [2019-12-07 20:39:41,088 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:39:41,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-12-07 20:39:41,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/d48c8ebe4/ab705e6f8d9242f3bea929024f298b12/FLAG182aa79d1 [2019-12-07 20:39:41,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/d48c8ebe4/ab705e6f8d9242f3bea929024f298b12 [2019-12-07 20:39:41,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:39:41,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:39:41,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:39:41,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:39:41,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:39:41,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:39:41" (1/1) ... [2019-12-07 20:39:41,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec2c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:41, skipping insertion in model container [2019-12-07 20:39:41,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:39:41" (1/1) ... [2019-12-07 20:39:41,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:39:41,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:39:41,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:39:41,398 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 20:39:41,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ff94e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:41, skipping insertion in model container [2019-12-07 20:39:41,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:39:41,398 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:39:41,400 INFO L168 Benchmark]: Toolchain (without parser) took 292.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:41,401 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:39:41,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:41,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 513]: 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 20:39:42,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:39:42,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:39:42,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:39:42,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:39:42,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:39:42,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:39:42,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:39:42,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:39:42,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:39:42,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:39:42,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:39:42,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:39:42,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:39:42,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:39:42,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:39:42,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:39:42,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:39:42,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:39:42,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:39:42,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:39:42,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:39:42,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:39:42,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:39:42,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:39:42,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:39:42,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:39:42,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:39:42,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:39:42,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:39:42,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:39:42,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:39:42,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:39:42,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:39:42,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:39:42,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:39:42,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:39:42,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:39:42,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:39:42,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:39:42,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:39:42,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:39:42,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:39:42,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:39:42,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:39:42,556 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:39:42,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:39:42,556 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:39:42,556 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:39:42,557 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:39:42,557 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:39:42,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:39:42,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:39:42,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:39:42,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:39:42,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:39:42,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:39:42,560 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:39:42,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:39:42,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:39:42,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:39:42,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:39:42,561 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_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2019-12-07 20:39:42,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:39:42,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:39:42,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:39:42,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:39:42,742 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:39:42,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-12-07 20:39:42,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/4670b495f/db02ddbfc46849cca0156c3f4899e9f1/FLAG9d7f2336f [2019-12-07 20:39:43,158 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:39:43,159 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-12-07 20:39:43,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/4670b495f/db02ddbfc46849cca0156c3f4899e9f1/FLAG9d7f2336f [2019-12-07 20:39:43,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/data/4670b495f/db02ddbfc46849cca0156c3f4899e9f1 [2019-12-07 20:39:43,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:39:43,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:39:43,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:39:43,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:39:43,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:39:43,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43, skipping insertion in model container [2019-12-07 20:39:43,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:39:43,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:39:43,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:39:43,449 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:39:43,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:39:43,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:39:43,495 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:39:43,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:39:43,553 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:39:43,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43 WrapperNode [2019-12-07 20:39:43,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:39:43,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:39:43,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:39:43,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:39:43,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:39:43,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:39:43,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:39:43,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:39:43,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... [2019-12-07 20:39:43,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:39:43,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:39:43,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:39:43,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:39:43,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:39:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:39:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:39:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:39:44,111 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:39:44,111 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 20:39:44,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:44 BoogieIcfgContainer [2019-12-07 20:39:44,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:39:44,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:39:44,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:39:44,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:39:44,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:39:43" (1/3) ... [2019-12-07 20:39:44,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573b47b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:39:44, skipping insertion in model container [2019-12-07 20:39:44,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:39:43" (2/3) ... [2019-12-07 20:39:44,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573b47b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:39:44, skipping insertion in model container [2019-12-07 20:39:44,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:44" (3/3) ... [2019-12-07 20:39:44,117 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2019-12-07 20:39:44,124 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:39:44,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:39:44,138 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:39:44,154 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:39:44,154 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:39:44,154 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:39:44,154 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:39:44,154 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:39:44,155 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:39:44,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:39:44,155 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:39:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 20:39:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:39:44,170 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:44,171 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 20:39:44,171 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:44,175 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2019-12-07 20:39:44,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:44,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806232613] [2019-12-07 20:39:44,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:44,321 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:39:44,325 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:44,336 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 20:39:44,336 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:44,341 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 20:39:44,342 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806232613] [2019-12-07 20:39:44,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:44,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:39:44,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074116780] [2019-12-07 20:39:44,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:39:44,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:44,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:39:44,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:39:44,357 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 20:39:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:44,378 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 20:39:44,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:39:44,380 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:39:44,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:44,388 INFO L225 Difference]: With dead ends: 144 [2019-12-07 20:39:44,388 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 20:39:44,391 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 20:39:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 20:39:44,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 20:39:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 20:39:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 20:39:44,421 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-12-07 20:39:44,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:44,422 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 20:39:44,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:39:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 20:39:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:39:44,423 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:44,423 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 20:39:44,624 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:39:44,625 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:44,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:44,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2019-12-07 20:39:44,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:44,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562627728] [2019-12-07 20:39:44,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:44,800 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:39:44,801 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:44,815 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 20:39:44,815 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:44,824 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 20:39:44,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562627728] [2019-12-07 20:39:44,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:44,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:39:44,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11952492] [2019-12-07 20:39:44,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:39:44,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:44,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:39:44,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:39:44,828 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 20:39:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:44,840 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 20:39:44,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:39:44,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:39:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:44,842 INFO L225 Difference]: With dead ends: 71 [2019-12-07 20:39:44,842 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 20:39:44,843 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 20:39:44,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 20:39:44,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 20:39:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 20:39:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 20:39:44,848 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 20:39:44,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:44,848 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 20:39:44,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:39:44,848 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 20:39:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:39:44,849 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:44,849 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 20:39:45,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:39:45,051 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:45,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2019-12-07 20:39:45,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:45,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510314444] [2019-12-07 20:39:45,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:45,231 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:39:45,233 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:45,240 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 20:39:45,240 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:45,246 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 20:39:45,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510314444] [2019-12-07 20:39:45,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:45,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:39:45,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969207328] [2019-12-07 20:39:45,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:39:45,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:45,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:39:45,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:39:45,248 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 20:39:45,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:45,285 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 20:39:45,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:39:45,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:39:45,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:45,287 INFO L225 Difference]: With dead ends: 60 [2019-12-07 20:39:45,287 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 20:39:45,287 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 20:39:45,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 20:39:45,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 20:39:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 20:39:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 20:39:45,291 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 20:39:45,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:45,291 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 20:39:45,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:39:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 20:39:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:39:45,292 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:45,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:39:45,493 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:39:45,494 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:45,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2019-12-07 20:39:45,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:45,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258490859] [2019-12-07 20:39:45,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:45,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:39:45,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:39:45,658 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:45,683 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 20:39:45,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258490859] [2019-12-07 20:39:45,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:45,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:39:45,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548534022] [2019-12-07 20:39:45,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:39:45,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:45,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:39:45,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:39:45,685 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-12-07 20:39:45,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:45,939 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2019-12-07 20:39:45,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:39:45,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 20:39:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:45,943 INFO L225 Difference]: With dead ends: 308 [2019-12-07 20:39:45,944 INFO L226 Difference]: Without dead ends: 281 [2019-12-07 20:39:45,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:39:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-12-07 20:39:45,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2019-12-07 20:39:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 20:39:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-12-07 20:39:45,964 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2019-12-07 20:39:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:45,964 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-12-07 20:39:45,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:39:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-12-07 20:39:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:39:45,966 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:45,966 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 20:39:46,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:39:46,167 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:46,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:46,167 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2019-12-07 20:39:46,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:46,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031774667] [2019-12-07 20:39:46,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/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 20:39:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:39:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:39:47,633 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:39:47,634 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:39:47,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:39:47,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:39:47 BoogieIcfgContainer [2019-12-07 20:39:47,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:39:47,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:39:47,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:39:47,942 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:39:47,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:44" (3/4) ... [2019-12-07 20:39:47,945 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:39:48,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_adc2a903-c8cf-4efa-9257-5a47a89c5644/bin/utaipan/witness.graphml [2019-12-07 20:39:48,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:39:48,016 INFO L168 Benchmark]: Toolchain (without parser) took 4835.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 953.7 MB in the beginning and 780.6 MB in the end (delta: 173.1 MB). Peak memory consumption was 281.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,017 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:39:48,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:39:48,018 INFO L168 Benchmark]: Boogie Preprocessor took 28.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,018 INFO L168 Benchmark]: RCFGBuilder took 487.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,019 INFO L168 Benchmark]: TraceAbstraction took 3828.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.8 MB in the end (delta: 211.6 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,019 INFO L168 Benchmark]: Witness Printer took 73.01 ms. Allocated memory is still 1.1 GB. Free memory was 794.8 MB in the beginning and 780.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:39:48,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3828.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.8 MB in the end (delta: 211.6 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. * Witness Printer took 73.01 ms. Allocated memory is still 1.1 GB. Free memory was 794.8 MB in the beginning and 780.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L233] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) [L133] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 532 SDslu, 456 SDs, 0 SdLazy, 94 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 736 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...