./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 b261f373c94d4201e773fd055c7f1efffffc1032 ...................................................................................................................................... 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_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 b261f373c94d4201e773fd055c7f1efffffc1032 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:13:06,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:13:06,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:13:06,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:13:06,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:13:06,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:13:06,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:13:06,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:13:06,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:13:06,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:13:06,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:13:06,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:13:06,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:13:06,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:13:06,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:13:06,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:13:06,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:13:06,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:13:06,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:13:06,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:13:06,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:13:06,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:13:06,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:13:06,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:13:06,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:13:06,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:13:06,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:13:06,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:13:06,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:13:06,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:13:06,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:13:06,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:13:06,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:13:06,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:13:06,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:13:06,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:13:06,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:13:06,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:13:06,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:13:06,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:13:06,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:13:06,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:13:06,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:13:06,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:13:06,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:13:06,574 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:13:06,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:13:06,575 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:13:06,575 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:13:06,575 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:13:06,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:13:06,575 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:13:06,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:13:06,576 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:13:06,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:13:06,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:13:06,576 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:13:06,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:13:06,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:13:06,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:13:06,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:13:06,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:13:06,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:13:06,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:13:06,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:13:06,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:13:06,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:13:06,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:13:06,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:13:06,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:13:06,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:13:06,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:13:06,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:13:06,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:13:06,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:13:06,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:13:06,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:13:06,582 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_87afecc8-e951-48e8-9820-83631a1a0b95/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-12-07 10:13:06,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:13:06,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:13:06,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:13:06,699 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:13:06,700 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:13:06,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-12-07 10:13:06,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/41d96423c/f42c4b14af93470d808b97865c3c6e4a/FLAG7bfe8efca [2019-12-07 10:13:07,196 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:13:07,197 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-12-07 10:13:07,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/41d96423c/f42c4b14af93470d808b97865c3c6e4a/FLAG7bfe8efca [2019-12-07 10:13:07,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/41d96423c/f42c4b14af93470d808b97865c3c6e4a [2019-12-07 10:13:07,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:13:07,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:13:07,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:07,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:13:07,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:13:07,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:07" (1/1) ... [2019-12-07 10:13:07,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:07, skipping insertion in model container [2019-12-07 10:13:07,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:07" (1/1) ... [2019-12-07 10:13:07,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:13:07,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:07,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:07,469 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 10:13:07,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46e169c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:07, skipping insertion in model container [2019-12-07 10:13:07,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:07,470 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:13:07,471 INFO L168 Benchmark]: Toolchain (without parser) took 254.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:07,472 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:07,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:07,473 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 495]: 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 10:13:08,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:13:08,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:13:08,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:13:08,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:13:08,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:13:08,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:13:08,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:13:08,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:13:08,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:13:08,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:13:08,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:13:08,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:13:08,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:13:08,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:13:08,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:13:08,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:13:08,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:13:08,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:13:08,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:13:08,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:13:08,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:13:08,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:13:08,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:13:08,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:13:08,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:13:08,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:13:08,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:13:08,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:13:08,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:13:08,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:13:08,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:13:08,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:13:08,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:13:08,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:13:08,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:13:08,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:13:08,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:13:08,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:13:08,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:13:08,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:13:08,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:13:08,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:13:08,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:13:08,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:13:08,621 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:13:08,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:13:08,621 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:13:08,621 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:13:08,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:13:08,622 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:13:08,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:13:08,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:13:08,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:13:08,623 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:13:08,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:13:08,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:13:08,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:13:08,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:13:08,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:13:08,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:13:08,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:13:08,626 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_87afecc8-e951-48e8-9820-83631a1a0b95/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-12-07 10:13:08,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:13:08,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:13:08,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:13:08,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:13:08,804 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:13:08,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-12-07 10:13:08,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/fb9d5249c/139b03233791478b9982b872f5f989ef/FLAG089fddea2 [2019-12-07 10:13:09,258 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:13:09,259 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-12-07 10:13:09,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/fb9d5249c/139b03233791478b9982b872f5f989ef/FLAG089fddea2 [2019-12-07 10:13:09,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/data/fb9d5249c/139b03233791478b9982b872f5f989ef [2019-12-07 10:13:09,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:13:09,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:13:09,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:09,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:13:09,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:13:09,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:09" (1/1) ... [2019-12-07 10:13:09,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:09, skipping insertion in model container [2019-12-07 10:13:09,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:09" (1/1) ... [2019-12-07 10:13:09,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:13:09,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:09,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:09,945 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:13:09,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:09,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:09,995 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:13:10,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:10,062 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:13:10,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10 WrapperNode [2019-12-07 10:13:10,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:10,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:13:10,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:13:10,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:13:10,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:13:10,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:13:10,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:13:10,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:13:10,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... [2019-12-07 10:13:10,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:13:10,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:13:10,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:13:10,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:13:10,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:13:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:13:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:13:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:13:10,620 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:13:10,620 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 10:13:10,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:10 BoogieIcfgContainer [2019-12-07 10:13:10,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:13:10,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:13:10,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:13:10,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:13:10,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:13:09" (1/3) ... [2019-12-07 10:13:10,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25981aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:13:10, skipping insertion in model container [2019-12-07 10:13:10,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:10" (2/3) ... [2019-12-07 10:13:10,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25981aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:13:10, skipping insertion in model container [2019-12-07 10:13:10,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:10" (3/3) ... [2019-12-07 10:13:10,628 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-12-07 10:13:10,635 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:13:10,640 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:13:10,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:13:10,663 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:13:10,663 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:13:10,663 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:13:10,663 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:13:10,664 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:13:10,664 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:13:10,664 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:13:10,664 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:13:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 10:13:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:13:10,679 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:10,679 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:10,679 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:10,683 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-12-07 10:13:10,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:10,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372343249] [2019-12-07 10:13:10,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:10,822 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:13:10,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:10,836 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:10,840 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 10:13:10,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372343249] [2019-12-07 10:13:10,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:10,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:13:10,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558486090] [2019-12-07 10:13:10,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:13:10,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:10,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:13:10,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:13:10,856 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 10:13:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:10,874 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 10:13:10,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:13:10,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:13:10,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:10,882 INFO L225 Difference]: With dead ends: 132 [2019-12-07 10:13:10,882 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 10:13:10,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:13:10,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 10:13:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 10:13:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 10:13:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 10:13:10,912 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 10:13:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:10,912 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 10:13:10,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:13:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 10:13:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:13:10,913 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:10,913 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:11,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:13:11,115 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:11,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:11,115 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-12-07 10:13:11,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:11,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077845923] [2019-12-07 10:13:11,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:11,299 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:11,301 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:11,313 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 10:13:11,313 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:11,321 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 10:13:11,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077845923] [2019-12-07 10:13:11,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:11,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:13:11,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842292043] [2019-12-07 10:13:11,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:13:11,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:11,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:13:11,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:11,323 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 10:13:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:11,333 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 10:13:11,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:13:11,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:13:11,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:11,334 INFO L225 Difference]: With dead ends: 65 [2019-12-07 10:13:11,334 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 10:13:11,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:11,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 10:13:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 10:13:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 10:13:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 10:13:11,338 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 10:13:11,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:11,339 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 10:13:11,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:13:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 10:13:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:13:11,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:11,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:11,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:13:11,541 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:11,541 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-12-07 10:13:11,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:11,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252515617] [2019-12-07 10:13:11,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:11,737 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:11,739 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:11,746 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 10:13:11,747 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:11,754 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 10:13:11,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252515617] [2019-12-07 10:13:11,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:11,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:13:11,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278961469] [2019-12-07 10:13:11,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:13:11,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:11,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:13:11,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:11,756 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 10:13:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:11,802 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 10:13:11,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:13:11,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 10:13:11,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:11,803 INFO L225 Difference]: With dead ends: 56 [2019-12-07 10:13:11,804 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 10:13:11,804 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 10:13:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 10:13:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 10:13:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 10:13:11,810 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 10:13:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:11,810 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 10:13:11,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:13:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 10:13:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:13:11,811 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:11,811 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] [2019-12-07 10:13:12,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:13:12,012 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:12,013 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-12-07 10:13:12,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:12,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348935819] [2019-12-07 10:13:12,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:12,194 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:13:12,195 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:12,211 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 10:13:12,211 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:12,239 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 10:13:12,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348935819] [2019-12-07 10:13:12,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:12,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 10:13:12,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716378328] [2019-12-07 10:13:12,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:13:12,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:12,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:13:12,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:13:12,242 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-12-07 10:13:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:12,410 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2019-12-07 10:13:12,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 10:13:12,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 10:13:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:12,412 INFO L225 Difference]: With dead ends: 198 [2019-12-07 10:13:12,412 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 10:13:12,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 10:13:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 10:13:12,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2019-12-07 10:13:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 10:13:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-12-07 10:13:12,425 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-12-07 10:13:12,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:12,425 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-12-07 10:13:12,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:13:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-07 10:13:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:13:12,426 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:12,426 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 10:13:12,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:13:12,627 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:12,628 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2019-12-07 10:13:12,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:12,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803433790] [2019-12-07 10:13:12,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/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 10:13:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:12,769 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:12,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:12,774 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 10:13:12,774 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:12,776 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 10:13:12,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803433790] [2019-12-07 10:13:12,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:12,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:13:12,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037827151] [2019-12-07 10:13:12,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:13:12,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:12,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:13:12,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:13:12,778 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-12-07 10:13:12,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:12,935 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2019-12-07 10:13:12,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:13:12,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 10:13:12,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:12,936 INFO L225 Difference]: With dead ends: 190 [2019-12-07 10:13:12,936 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 10:13:12,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:13:12,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 10:13:12,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2019-12-07 10:13:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 10:13:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-12-07 10:13:12,955 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2019-12-07 10:13:12,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:12,956 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-12-07 10:13:12,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:13:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-12-07 10:13:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 10:13:12,958 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:12,958 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 10:13:13,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:13:13,159 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:13,160 INFO L82 PathProgramCache]: Analyzing trace with hash 972122298, now seen corresponding path program 1 times [2019-12-07 10:13:13,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:13,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119564076] [2019-12-07 10:13:13,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:13:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:13,295 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:13,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:13,301 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 10:13:13,302 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:13,304 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 10:13:13,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119564076] [2019-12-07 10:13:13,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:13,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:13:13,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984784032] [2019-12-07 10:13:13,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:13:13,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:13,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:13:13,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:13:13,306 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-12-07 10:13:13,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:13,314 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2019-12-07 10:13:13,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:13:13,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 10:13:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:13,315 INFO L225 Difference]: With dead ends: 176 [2019-12-07 10:13:13,316 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 10:13:13,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:13:13,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 10:13:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 10:13:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 10:13:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-12-07 10:13:13,322 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2019-12-07 10:13:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:13,323 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-12-07 10:13:13,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:13:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-07 10:13:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 10:13:13,324 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:13,324 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:13,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:13:13,525 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2019-12-07 10:13:13,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:13,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78475238] [2019-12-07 10:13:13,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:13:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:13,646 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:13:13,656 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:13,670 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:13,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78475238] [2019-12-07 10:13:13,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1991982028] [2019-12-07 10:13:13,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:13:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:13,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:13:13,774 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 10:13:13,795 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 10:13:13,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:13:13,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 10:13:13,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292318614] [2019-12-07 10:13:13,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:13:13,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:13,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:13:13,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:13:13,800 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-12-07 10:13:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:13,866 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-12-07 10:13:13,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:13:13,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 10:13:13,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:13,867 INFO L225 Difference]: With dead ends: 118 [2019-12-07 10:13:13,867 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:13:13,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:13:13,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:13:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:13:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:13:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:13:13,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 10:13:13,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:13,868 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:13:13,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:13:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:13:13,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:13:14,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 10:13:14,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:13:14,600 INFO L246 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-12-07 10:13:14,600 INFO L242 CegarLoopResult]: At program point L448-2(lines 266 272) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,600 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,600 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 10:13:14,600 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:13:14,600 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 10:13:14,601 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:14,601 INFO L242 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:14,601 INFO L242 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,601 INFO L242 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2019-12-07 10:13:14,601 INFO L242 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2019-12-07 10:13:14,601 INFO L246 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-12-07 10:13:14,601 INFO L246 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2019-12-07 10:13:14,601 INFO L246 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L242 CegarLoopResult]: At program point L238-1(lines 1 875) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,602 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 251) no Hoare annotation was computed. [2019-12-07 10:13:14,602 INFO L242 CegarLoopResult]: At program point L238-3(lines 1 875) the Hoare annotation is: false [2019-12-07 10:13:14,603 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 10:13:14,603 INFO L246 CegarLoopResult]: For program point L238-4(lines 238 251) no Hoare annotation was computed. [2019-12-07 10:13:14,603 INFO L242 CegarLoopResult]: At program point L238-5(lines 1 875) the Hoare annotation is: false [2019-12-07 10:13:14,603 INFO L246 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-12-07 10:13:14,603 INFO L242 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,603 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:13:14,603 INFO L242 CegarLoopResult]: At program point L223(lines 218 226) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,603 INFO L242 CegarLoopResult]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2019-12-07 10:13:14,603 INFO L242 CegarLoopResult]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L191(lines 186 194) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L242 CegarLoopResult]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2019-12-07 10:13:14,604 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,604 INFO L246 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2019-12-07 10:13:14,604 INFO L246 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-12-07 10:13:14,604 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2019-12-07 10:13:14,605 INFO L246 CegarLoopResult]: For program point L242-4(lines 242 248) no Hoare annotation was computed. [2019-12-07 10:13:14,605 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:13:14,605 INFO L242 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2019-12-07 10:13:14,605 INFO L242 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2019-12-07 10:13:14,605 INFO L242 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2019-12-07 10:13:14,605 INFO L242 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: false [2019-12-07 10:13:14,605 INFO L242 CegarLoopResult]: At program point L855(lines 1 875) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:14,605 INFO L246 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L872-2(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-12-07 10:13:14,606 INFO L246 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L242 CegarLoopResult]: At program point L430-1(lines 430 436) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,607 INFO L246 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L246 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L246 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L242 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:14,607 INFO L246 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2019-12-07 10:13:14,607 INFO L242 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2019-12-07 10:13:14,607 INFO L242 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2019-12-07 10:13:14,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:13:14 BoogieIcfgContainer [2019-12-07 10:13:14,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:13:14,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:13:14,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:13:14,623 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:13:14,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:10" (3/4) ... [2019-12-07 10:13:14,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:13:14,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:13:14,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:13:14,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:13:14,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:13:14,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:13:14,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:13:14,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:13:14,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:13:14,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87afecc8-e951-48e8-9820-83631a1a0b95/bin/utaipan/witness.graphml [2019-12-07 10:13:14,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:13:14,698 INFO L168 Benchmark]: Toolchain (without parser) took 5069.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:14,698 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:14,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:14,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:14,699 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:14,700 INFO L168 Benchmark]: RCFGBuilder took 489.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:14,700 INFO L168 Benchmark]: TraceAbstraction took 4000.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -72.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:14,700 INFO L168 Benchmark]: Witness Printer took 73.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-12-07 10:13:14,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 432.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 489.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4000.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -72.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 378 SDtfs, 570 SDslu, 425 SDs, 0 SdLazy, 99 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, 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, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 161 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1936 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 471 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 24342 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1506 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...