./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ...................................................................................................................................... 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_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:25:25,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:25:25,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:25:25,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:25:25,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:25:25,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:25:25,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:25:25,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:25:25,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:25:25,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:25:25,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:25:25,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:25:25,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:25:25,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:25:25,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:25:25,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:25:25,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:25:25,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:25:25,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:25:25,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:25:25,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:25:25,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:25:25,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:25:25,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:25:25,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:25:25,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:25:25,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:25:25,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:25:25,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:25:25,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:25:25,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:25:25,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:25:25,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:25:25,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:25:25,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:25:25,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:25:25,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:25:25,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:25:25,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:25:25,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:25:25,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:25:25,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:25:25,651 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:25:25,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:25:25,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:25:25,651 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:25:25,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:25:25,652 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:25:25,653 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:25:25,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:25:25,653 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:25:25,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:25:25,653 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:25:25,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:25:25,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:25:25,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:25:25,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:25:25,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:25:25,657 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_1b6155c1-ad75-42b4-9562-733bed53bce4/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-12-07 14:25:25,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:25:25,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:25:25,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:25:25,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:25:25,770 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:25:25,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-12-07 14:25:25,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/564164859/addf3a529e114086b3170b2a6c42afe2/FLAG827f55536 [2019-12-07 14:25:26,174 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:25:26,175 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-12-07 14:25:26,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/564164859/addf3a529e114086b3170b2a6c42afe2/FLAG827f55536 [2019-12-07 14:25:26,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/564164859/addf3a529e114086b3170b2a6c42afe2 [2019-12-07 14:25:26,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:25:26,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:25:26,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:26,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:25:26,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:25:26,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:26" (1/1) ... [2019-12-07 14:25:26,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12af4273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:26, skipping insertion in model container [2019-12-07 14:25:26,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:26" (1/1) ... [2019-12-07 14:25:26,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:25:26,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:26,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:26,445 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 14:25:26,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@268f21d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:26, skipping insertion in model container [2019-12-07 14:25:26,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:26,446 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:25:26,448 INFO L168 Benchmark]: Toolchain (without parser) took 253.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:26,449 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:26,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:26,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 479]: 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 14:25:27,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:25:27,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:25:27,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:25:27,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:25:27,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:25:27,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:25:27,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:25:27,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:25:27,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:25:27,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:25:27,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:25:27,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:25:27,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:25:27,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:25:27,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:25:27,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:25:27,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:25:27,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:25:27,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:25:27,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:25:27,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:25:27,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:25:27,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:25:27,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:25:27,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:25:27,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:25:27,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:25:27,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:25:27,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:25:27,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:25:27,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:25:27,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:25:27,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:25:27,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:25:27,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:25:27,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:25:27,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:25:27,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:25:27,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:25:27,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:25:27,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:25:27,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:25:27,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:25:27,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:25:27,629 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:25:27,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:25:27,629 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:25:27,629 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:25:27,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:25:27,630 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:25:27,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:25:27,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:25:27,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:25:27,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:25:27,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:25:27,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:25:27,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:25:27,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:25:27,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:25:27,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:25:27,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:25:27,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:25:27,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:25:27,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:25:27,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:25:27,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:25:27,634 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:25:27,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:25:27,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:25:27,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:25:27,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:25:27,635 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_1b6155c1-ad75-42b4-9562-733bed53bce4/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-12-07 14:25:27,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:25:27,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:25:27,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:25:27,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:25:27,833 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:25:27,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-12-07 14:25:27,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/1f49f3064/fcd8d3478eea49d4811a277d3a50f362/FLAGa4c511a6b [2019-12-07 14:25:28,265 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:25:28,266 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-12-07 14:25:28,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/1f49f3064/fcd8d3478eea49d4811a277d3a50f362/FLAGa4c511a6b [2019-12-07 14:25:28,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/data/1f49f3064/fcd8d3478eea49d4811a277d3a50f362 [2019-12-07 14:25:28,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:25:28,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:25:28,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:28,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:25:28,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:25:28,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28, skipping insertion in model container [2019-12-07 14:25:28,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:25:28,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:28,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:28,539 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:25:28,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:28,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:28,589 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:25:28,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:28,651 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:25:28,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28 WrapperNode [2019-12-07 14:25:28,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:28,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:28,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:25:28,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:25:28,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:28,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:25:28,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:25:28,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:25:28,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... [2019-12-07 14:25:28,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:25:28,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:25:28,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:25:28,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:25:28,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:25:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:25:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:25:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:25:29,183 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:25:29,183 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 14:25:29,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:29 BoogieIcfgContainer [2019-12-07 14:25:29,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:25:29,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:25:29,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:25:29,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:25:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:25:28" (1/3) ... [2019-12-07 14:25:29,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14483d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:29, skipping insertion in model container [2019-12-07 14:25:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:28" (2/3) ... [2019-12-07 14:25:29,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14483d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:29, skipping insertion in model container [2019-12-07 14:25:29,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:29" (3/3) ... [2019-12-07 14:25:29,189 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-12-07 14:25:29,196 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:25:29,201 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:25:29,209 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:25:29,225 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:25:29,225 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:25:29,225 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:25:29,225 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:25:29,225 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:25:29,225 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:25:29,225 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:25:29,226 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:25:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 14:25:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:25:29,240 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:29,241 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:29,241 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-12-07 14:25:29,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:29,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133204332] [2019-12-07 14:25:29,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:29,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:25:29,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:29,395 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 14:25:29,395 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:29,399 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 14:25:29,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133204332] [2019-12-07 14:25:29,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:29,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:25:29,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237056004] [2019-12-07 14:25:29,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:25:29,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:29,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:25:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:25:29,415 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 14:25:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:29,432 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 14:25:29,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:25:29,433 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:25:29,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:29,441 INFO L225 Difference]: With dead ends: 144 [2019-12-07 14:25:29,441 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 14:25:29,444 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 14:25:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 14:25:29,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 14:25:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 14:25:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 14:25:29,471 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-12-07 14:25:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:29,472 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 14:25:29,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:25:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 14:25:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:25:29,472 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:29,473 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 14:25:29,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:25:29,674 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:29,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:29,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-12-07 14:25:29,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:29,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5925261] [2019-12-07 14:25:29,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:29,851 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:25:29,853 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:29,867 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 14:25:29,867 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:29,875 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 14:25:29,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5925261] [2019-12-07 14:25:29,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:29,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:25:29,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239644200] [2019-12-07 14:25:29,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:25:29,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:25:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:25:29,878 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 14:25:29,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:29,888 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 14:25:29,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:25:29,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:25:29,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:29,889 INFO L225 Difference]: With dead ends: 71 [2019-12-07 14:25:29,889 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 14:25:29,890 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 14:25:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 14:25:29,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 14:25:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 14:25:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 14:25:29,894 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 14:25:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:29,894 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 14:25:29,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:25:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 14:25:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:25:29,895 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:29,895 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 14:25:30,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:25:30,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:30,097 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-12-07 14:25:30,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:30,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474111737] [2019-12-07 14:25:30,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:30,304 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:25:30,305 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:30,313 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 14:25:30,313 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:30,319 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 14:25:30,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474111737] [2019-12-07 14:25:30,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:30,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:25:30,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900260870] [2019-12-07 14:25:30,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:25:30,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:30,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:25:30,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:25:30,321 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 14:25:30,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:30,327 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 14:25:30,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:25:30,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:25:30,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:30,328 INFO L225 Difference]: With dead ends: 60 [2019-12-07 14:25:30,328 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 14:25:30,329 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 14:25:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 14:25:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 14:25:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 14:25:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 14:25:30,333 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-12-07 14:25:30,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:30,333 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 14:25:30,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:25:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 14:25:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:25:30,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:30,334 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 14:25:30,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:25:30,534 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:30,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:30,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-12-07 14:25:30,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:30,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787768106] [2019-12-07 14:25:30,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:30,640 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:25:30,641 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:30,659 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 14:25:30,659 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:30,690 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 14:25:30,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787768106] [2019-12-07 14:25:30,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:30,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 14:25:30,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537414771] [2019-12-07 14:25:30,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:25:30,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:30,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:25:30,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:25:30,693 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-12-07 14:25:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:30,907 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2019-12-07 14:25:30,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:25:30,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 14:25:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:30,909 INFO L225 Difference]: With dead ends: 220 [2019-12-07 14:25:30,909 INFO L226 Difference]: Without dead ends: 193 [2019-12-07 14:25:30,910 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 14:25:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-12-07 14:25:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2019-12-07 14:25:30,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 14:25:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-12-07 14:25:30,922 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-12-07 14:25:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:30,922 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-12-07 14:25:30,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:25:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-12-07 14:25:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:25:30,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:30,923 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 14:25:31,123 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:25:31,124 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2019-12-07 14:25:31,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:31,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982648074] [2019-12-07 14:25:31,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:31,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:25:31,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:31,245 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 14:25:31,245 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:31,247 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 14:25:31,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982648074] [2019-12-07 14:25:31,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:31,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:25:31,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905575431] [2019-12-07 14:25:31,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:25:31,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:31,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:25:31,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:25:31,248 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-12-07 14:25:31,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:31,426 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2019-12-07 14:25:31,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:25:31,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:25:31,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:31,428 INFO L225 Difference]: With dead ends: 202 [2019-12-07 14:25:31,428 INFO L226 Difference]: Without dead ends: 130 [2019-12-07 14:25:31,429 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 14:25:31,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-12-07 14:25:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-12-07 14:25:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 14:25:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2019-12-07 14:25:31,447 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2019-12-07 14:25:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:31,448 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2019-12-07 14:25:31,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:25:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2019-12-07 14:25:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 14:25:31,449 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:31,449 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:31,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:25:31,651 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:31,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:31,652 INFO L82 PathProgramCache]: Analyzing trace with hash 234285946, now seen corresponding path program 1 times [2019-12-07 14:25:31,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:31,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699948296] [2019-12-07 14:25:31,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:31,781 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:25:31,783 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:31,788 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 14:25:31,788 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:31,791 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 14:25:31,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699948296] [2019-12-07 14:25:31,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:31,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:25:31,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457084388] [2019-12-07 14:25:31,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:25:31,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:31,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:25:31,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:25:31,793 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand 3 states. [2019-12-07 14:25:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:31,805 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2019-12-07 14:25:31,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:25:31,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-07 14:25:31,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:31,806 INFO L225 Difference]: With dead ends: 182 [2019-12-07 14:25:31,807 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 14:25:31,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 14:25:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 14:25:31,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 14:25:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 14:25:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-12-07 14:25:31,816 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2019-12-07 14:25:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:31,816 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-12-07 14:25:31,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:25:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-07 14:25:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 14:25:31,818 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:31,818 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 14:25:32,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:25:32,020 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:32,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:32,021 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2019-12-07 14:25:32,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:25:32,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387991474] [2019-12-07 14:25:32,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:32,159 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:25:32,161 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:32,171 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 14:25:32,172 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:32,194 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 14:25:32,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387991474] [2019-12-07 14:25:32,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1118092493] [2019-12-07 14:25:32,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/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 14:25:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:32,282 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:25:32,284 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:32,306 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 14:25:32,306 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:32,309 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 14:25:32,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:25:32,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 14:25:32,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113648477] [2019-12-07 14:25:32,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:25:32,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:25:32,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:25:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:25:32,310 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-12-07 14:25:32,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:32,379 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-12-07 14:25:32,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:25:32,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 14:25:32,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:32,380 INFO L225 Difference]: With dead ends: 118 [2019-12-07 14:25:32,380 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:25:32,381 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 14:25:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:25:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:25:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:25:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:25:32,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 14:25:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:32,381 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:25:32,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:25:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:25:32,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:25:32,783 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 14:25:32,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:25:33,086 INFO L242 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-12-07 14:25:33,086 INFO L246 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286-3(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286-5(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286-6(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L246 CegarLoopResult]: For program point L286-8(lines 286 290) no Hoare annotation was computed. [2019-12-07 14:25:33,087 INFO L242 CegarLoopResult]: At program point L237(lines 232 240) 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 14:25:33,088 INFO L242 CegarLoopResult]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2019-12-07 14:25:33,088 INFO L242 CegarLoopResult]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2019-12-07 14:25:33,088 INFO L246 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-12-07 14:25:33,088 INFO L246 CegarLoopResult]: For program point L832-1(lines 134 140) no Hoare annotation was computed. [2019-12-07 14:25:33,088 INFO L246 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-12-07 14:25:33,088 INFO L242 CegarLoopResult]: At program point L73-1(lines 73 79) 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 14:25:33,088 INFO L246 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-12-07 14:25:33,088 INFO L249 CegarLoopResult]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-12-07 14:25:33,088 INFO L242 CegarLoopResult]: At program point L437(lines 432 440) 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 14:25:33,088 INFO L242 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-12-07 14:25:33,089 INFO L242 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-12-07 14:25:33,089 INFO L242 CegarLoopResult]: At program point L322(lines 1 911) 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 14:25:33,089 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:25:33,089 INFO L242 CegarLoopResult]: At program point L141(lines 141 147) 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 14:25:33,089 INFO L242 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2019-12-07 14:25:33,089 INFO L242 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2019-12-07 14:25:33,089 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,089 INFO L242 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L242 CegarLoopResult]: At program point L292(lines 277 295) the Hoare annotation is: false [2019-12-07 14:25:33,090 INFO L242 CegarLoopResult]: At program point L292-1(lines 277 295) the Hoare annotation is: false [2019-12-07 14:25:33,090 INFO L242 CegarLoopResult]: At program point L292-2(lines 277 295) the Hoare annotation is: false [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-12-07 14:25:33,090 INFO L246 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L242 CegarLoopResult]: At program point L344-1(lines 1 911) 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 14:25:33,091 INFO L246 CegarLoopResult]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L242 CegarLoopResult]: At program point L344-3(lines 1 911) the Hoare annotation is: false [2019-12-07 14:25:33,091 INFO L246 CegarLoopResult]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L242 CegarLoopResult]: At program point L344-5(lines 1 911) the Hoare annotation is: false [2019-12-07 14:25:33,091 INFO L246 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:25:33,091 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:25:33,092 INFO L249 CegarLoopResult]: At program point L908(lines 889 911) the Hoare annotation is: true [2019-12-07 14:25:33,092 INFO L242 CegarLoopResult]: At program point L330(lines 325 333) 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 14:25:33,092 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-12-07 14:25:33,092 INFO L246 CegarLoopResult]: For program point L99-2(lines 134 140) no Hoare annotation was computed. [2019-12-07 14:25:33,092 INFO L242 CegarLoopResult]: At program point L446(lines 441 449) the Hoare annotation is: false [2019-12-07 14:25:33,092 INFO L242 CegarLoopResult]: At program point L446-1(lines 441 449) the Hoare annotation is: false [2019-12-07 14:25:33,092 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-12-07 14:25:33,092 INFO L242 CegarLoopResult]: At program point L446-2(lines 441 449) the Hoare annotation is: false [2019-12-07 14:25:33,092 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 14:25:33,092 INFO L242 CegarLoopResult]: At program point L83-1(lines 83 89) 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 14:25:33,093 INFO L242 CegarLoopResult]: At program point L876(lines 872 878) 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 14:25:33,093 INFO L246 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L246 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L246 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L246 CegarLoopResult]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L246 CegarLoopResult]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L242 CegarLoopResult]: At program point L134(lines 133 152) 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 14:25:33,093 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2019-12-07 14:25:33,093 INFO L242 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2019-12-07 14:25:33,094 INFO L242 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2019-12-07 14:25:33,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:25:33 BoogieIcfgContainer [2019-12-07 14:25:33,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:25:33,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:25:33,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:25:33,106 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:25:33,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:29" (3/4) ... [2019-12-07 14:25:33,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:25:33,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:25:33,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:25:33,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:25:33,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:25:33,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:25:33,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:25:33,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:25:33,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:25:33,171 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1b6155c1-ad75-42b4-9562-733bed53bce4/bin/utaipan/witness.graphml [2019-12-07 14:25:33,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:25:33,172 INFO L168 Benchmark]: Toolchain (without parser) took 4886.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,172 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:33,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,173 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 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 14:25:33,173 INFO L168 Benchmark]: RCFGBuilder took 460.91 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,173 INFO L168 Benchmark]: TraceAbstraction took 3920.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,173 INFO L168 Benchmark]: Witness Printer took 65.13 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:33,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 460.91 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3920.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.13 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: 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: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 405 SDtfs, 622 SDslu, 445 SDs, 0 SdLazy, 110 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 149 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1632 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 364 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 25441 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1502 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...