./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product30.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_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 cd03795a63c29b127effb5dc5ece6588a3bdb5e0 ...................................................................................................................................... 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_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 cd03795a63c29b127effb5dc5ece6588a3bdb5e0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:24:36,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:24:36,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:24:36,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:24:36,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:24:36,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:24:36,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:24:36,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:24:36,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:24:36,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:24:36,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:24:36,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:24:36,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:24:36,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:24:36,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:24:36,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:24:36,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:24:36,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:24:36,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:24:36,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:24:36,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:24:36,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:24:36,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:24:36,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:24:36,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:24:36,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:24:36,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:24:36,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:24:36,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:24:36,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:24:36,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:24:36,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:24:36,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:24:36,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:24:36,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:24:36,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:24:36,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:24:36,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:24:36,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:24:36,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:24:36,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:24:36,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:24:36,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:24:36,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:24:36,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:24:36,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:24:36,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:24:36,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:24:36,371 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:24:36,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:24:36,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:24:36,371 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:24:36,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:24:36,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:24:36,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:24:36,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:24:36,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:24:36,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:24:36,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:24:36,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:24:36,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:24:36,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:24:36,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:24:36,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:24:36,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:24:36,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:24:36,375 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_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 -> cd03795a63c29b127effb5dc5ece6588a3bdb5e0 [2019-12-07 13:24:36,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:24:36,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:24:36,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:24:36,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:24:36,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:24:36,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-12-07 13:24:36,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/3c0209910/4fe5f301d10e43e1861f6689236fc395/FLAG39d25b812 [2019-12-07 13:24:36,972 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:24:36,973 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-12-07 13:24:36,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/3c0209910/4fe5f301d10e43e1861f6689236fc395/FLAG39d25b812 [2019-12-07 13:24:36,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/3c0209910/4fe5f301d10e43e1861f6689236fc395 [2019-12-07 13:24:36,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:24:36,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:24:36,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:36,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:24:36,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:24:36,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:36" (1/1) ... [2019-12-07 13:24:36,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:36, skipping insertion in model container [2019-12-07 13:24:36,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:36" (1/1) ... [2019-12-07 13:24:37,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:24:37,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:37,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:37,269 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 13:24:37,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@200f4547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:37, skipping insertion in model container [2019-12-07 13:24:37,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:37,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:24:37,271 INFO L168 Benchmark]: Toolchain (without parser) took 278.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:37,272 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:24:37,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:37,274 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 266]: 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 13:24:38,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:24:38,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:24:38,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:24:38,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:24:38,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:24:38,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:24:38,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:24:38,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:24:38,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:24:38,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:24:38,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:24:38,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:24:38,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:24:38,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:24:38,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:24:38,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:24:38,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:24:38,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:24:38,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:24:38,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:24:38,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:24:38,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:24:38,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:24:38,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:24:38,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:24:38,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:24:38,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:24:38,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:24:38,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:24:38,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:24:38,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:24:38,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:24:38,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:24:38,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:24:38,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:24:38,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:24:38,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:24:38,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:24:38,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:24:38,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:24:38,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:24:38,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:24:38,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:24:38,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:24:38,495 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:24:38,495 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:24:38,495 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:24:38,495 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:24:38,495 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:24:38,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:24:38,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:24:38,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:24:38,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:24:38,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:24:38,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:24:38,498 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:24:38,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:24:38,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:24:38,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:24:38,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:24:38,499 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_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 -> cd03795a63c29b127effb5dc5ece6588a3bdb5e0 [2019-12-07 13:24:38,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:24:38,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:24:38,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:24:38,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:24:38,688 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:24:38,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-12-07 13:24:38,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/abcf022b0/91b10f131e6c4b1b8deef56df74f7616/FLAG7c577f00f [2019-12-07 13:24:39,210 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:24:39,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-12-07 13:24:39,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/abcf022b0/91b10f131e6c4b1b8deef56df74f7616/FLAG7c577f00f [2019-12-07 13:24:39,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/data/abcf022b0/91b10f131e6c4b1b8deef56df74f7616 [2019-12-07 13:24:39,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:24:39,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:24:39,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:39,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:24:39,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:24:39,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,236 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 01:24:39, skipping insertion in model container [2019-12-07 13:24:39,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:24:39,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:39,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:39,486 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:24:39,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:39,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:39,532 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:24:39,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:39,590 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:24:39,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39 WrapperNode [2019-12-07 13:24:39,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:39,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:39,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:24:39,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:24:39,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:39,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:24:39,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:24:39,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:24:39,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... [2019-12-07 13:24:39,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:24:39,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:24:39,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:24:39,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:24:39,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:24:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:24:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:24:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:24:40,212 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:24:40,212 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 13:24:40,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:40 BoogieIcfgContainer [2019-12-07 13:24:40,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:24:40,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:24:40,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:24:40,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:24:40,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:24:39" (1/3) ... [2019-12-07 13:24:40,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7c9883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:24:40, skipping insertion in model container [2019-12-07 13:24:40,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:39" (2/3) ... [2019-12-07 13:24:40,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7c9883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:24:40, skipping insertion in model container [2019-12-07 13:24:40,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:40" (3/3) ... [2019-12-07 13:24:40,218 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2019-12-07 13:24:40,225 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:24:40,230 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:24:40,237 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:24:40,253 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:24:40,254 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:24:40,254 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:24:40,254 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:24:40,254 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:24:40,254 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:24:40,254 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:24:40,254 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:24:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 13:24:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:24:40,270 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:40,271 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 13:24:40,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:40,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692801, now seen corresponding path program 1 times [2019-12-07 13:24:40,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:40,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030647862] [2019-12-07 13:24:40,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:40,420 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:24:40,424 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:40,434 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 13:24:40,434 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:40,438 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 13:24:40,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030647862] [2019-12-07 13:24:40,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:40,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:24:40,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789707838] [2019-12-07 13:24:40,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:24:40,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:40,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:24:40,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:24:40,453 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 13:24:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:40,474 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2019-12-07 13:24:40,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:24:40,475 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:24:40,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:40,483 INFO L225 Difference]: With dead ends: 216 [2019-12-07 13:24:40,484 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 13:24:40,486 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 13:24:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 13:24:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 13:24:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 13:24:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2019-12-07 13:24:40,519 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2019-12-07 13:24:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:40,519 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2019-12-07 13:24:40,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:24:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2019-12-07 13:24:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:24:40,520 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:40,521 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 13:24:40,721 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:24:40,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:40,722 INFO L82 PathProgramCache]: Analyzing trace with hash 573769835, now seen corresponding path program 1 times [2019-12-07 13:24:40,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:40,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723924000] [2019-12-07 13:24:40,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:40,834 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:24:40,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:40,852 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 13:24:40,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:40,862 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 13:24:40,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723924000] [2019-12-07 13:24:40,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:40,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:24:40,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016255655] [2019-12-07 13:24:40,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:24:40,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:40,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:24:40,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:40,866 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 4 states. [2019-12-07 13:24:40,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:40,881 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2019-12-07 13:24:40,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:24:40,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:24:40,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:40,882 INFO L225 Difference]: With dead ends: 107 [2019-12-07 13:24:40,883 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 13:24:40,884 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 13:24:40,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 13:24:40,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 13:24:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 13:24:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 13:24:40,890 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-12-07 13:24:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:40,890 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 13:24:40,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:24:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 13:24:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:24:40,891 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:40,891 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 13:24:41,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:24:41,093 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:41,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:41,094 INFO L82 PathProgramCache]: Analyzing trace with hash 197323452, now seen corresponding path program 1 times [2019-12-07 13:24:41,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:41,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632116960] [2019-12-07 13:24:41,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:41,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:24:41,275 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:41,281 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 13:24:41,282 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:41,287 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 13:24:41,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632116960] [2019-12-07 13:24:41,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:41,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:24:41,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554816100] [2019-12-07 13:24:41,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:24:41,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:41,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:24:41,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:41,289 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2019-12-07 13:24:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:41,324 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2019-12-07 13:24:41,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:24:41,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:24:41,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:41,326 INFO L225 Difference]: With dead ends: 84 [2019-12-07 13:24:41,326 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 13:24:41,327 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 13:24:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 13:24:41,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 13:24:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 13:24:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-12-07 13:24:41,333 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-12-07 13:24:41,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:41,333 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-12-07 13:24:41,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:24:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-12-07 13:24:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:24:41,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:41,335 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 13:24:41,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:24:41,536 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:41,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:41,537 INFO L82 PathProgramCache]: Analyzing trace with hash -303470070, now seen corresponding path program 1 times [2019-12-07 13:24:41,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:41,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2701284] [2019-12-07 13:24:41,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:41,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:24:41,718 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:41,733 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 13:24:41,733 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:41,767 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 13:24:41,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2701284] [2019-12-07 13:24:41,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:41,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:24:41,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165032281] [2019-12-07 13:24:41,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:24:41,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:41,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:24:41,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:24:41,769 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 8 states. [2019-12-07 13:24:42,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:42,022 INFO L93 Difference]: Finished difference Result 500 states and 749 transitions. [2019-12-07 13:24:42,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 13:24:42,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-12-07 13:24:42,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:42,026 INFO L225 Difference]: With dead ends: 500 [2019-12-07 13:24:42,026 INFO L226 Difference]: Without dead ends: 461 [2019-12-07 13:24:42,027 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 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 13:24:42,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-12-07 13:24:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 114. [2019-12-07 13:24:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-12-07 13:24:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2019-12-07 13:24:42,044 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 26 [2019-12-07 13:24:42,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:42,045 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2019-12-07 13:24:42,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:24:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2019-12-07 13:24:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 13:24:42,046 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:42,046 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] [2019-12-07 13:24:42,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:24:42,248 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:42,250 INFO L82 PathProgramCache]: Analyzing trace with hash -912506616, now seen corresponding path program 1 times [2019-12-07 13:24:42,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:42,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394511946] [2019-12-07 13:24:42,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/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 13:24:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:43,795 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:24:43,795 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:24:43,996 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:24:44,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:24:44 BoogieIcfgContainer [2019-12-07 13:24:44,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:24:44,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:24:44,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:24:44,114 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:24:44,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:40" (3/4) ... [2019-12-07 13:24:44,117 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:24:44,180 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07d786a7-fc44-4bab-9c1c-e3ad08dcd0cc/bin/utaipan/witness.graphml [2019-12-07 13:24:44,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:24:44,181 INFO L168 Benchmark]: Toolchain (without parser) took 4949.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -207.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:24:44,181 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 13:24:44,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:44,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:44,182 INFO L168 Benchmark]: Boogie Preprocessor took 31.76 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 13:24:44,182 INFO L168 Benchmark]: RCFGBuilder took 545.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:44,183 INFO L168 Benchmark]: TraceAbstraction took 3900.00 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 989.7 MB in the beginning and 1.2 GB in the end (delta: -185.9 MB). Peak memory consumption was 227.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:44,183 INFO L168 Benchmark]: Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:44,184 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 359.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 545.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3900.00 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 989.7 MB in the beginning and 1.2 GB in the end (delta: -185.9 MB). Peak memory consumption was 227.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L215] int retValue_acc ; [L216] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] tmp = valid_product() [L224] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND TRUE \read(tmp___2) [L874] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] COND TRUE \read(systemActive) [L738] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] COND FALSE !(\read(pumpRunning)) [L712] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] COND TRUE tmp___0 == 2 [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] __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, 111 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 889 SDslu, 700 SDs, 0 SdLazy, 124 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 347 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 8750 SizeOfPredicates, 6 NumberOfNonLiveVariables, 737 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...