./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ...................................................................................................................................... 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_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:51:14,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:51:14,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:51:14,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:51:14,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:51:14,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:51:14,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:51:14,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:51:14,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:51:14,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:51:14,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:51:14,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:51:14,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:51:14,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:51:14,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:51:14,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:51:14,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:51:14,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:51:14,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:51:14,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:51:14,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:51:14,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:51:14,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:51:14,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:51:14,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:51:14,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:51:14,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:51:14,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:51:14,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:51:14,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:51:14,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:51:14,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:51:14,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:51:14,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:51:14,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:51:14,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:51:14,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:51:14,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:51:14,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:51:14,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:51:14,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:51:14,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:51:14,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:51:14,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:51:14,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:51:14,782 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:51:14,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:51:14,782 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:51:14,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:51:14,782 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:51:14,783 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:51:14,783 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:51:14,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:51:14,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:51:14,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:51:14,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:51:14,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:51:14,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:51:14,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:51:14,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:51:14,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:51:14,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:51:14,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:51:14,787 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_005b5886-d328-44a6-8206-78cfcb19c256/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-12-07 21:51:14,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:51:14,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:51:14,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:51:14,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:51:14,915 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:51:14,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 21:51:14,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/f998d07c3/c80a116827224bb38f5516c0adb9eda7/FLAGd22ccc3d2 [2019-12-07 21:51:15,320 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:51:15,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 21:51:15,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/f998d07c3/c80a116827224bb38f5516c0adb9eda7/FLAGd22ccc3d2 [2019-12-07 21:51:15,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/f998d07c3/c80a116827224bb38f5516c0adb9eda7 [2019-12-07 21:51:15,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:51:15,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:51:15,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:15,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:51:15,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:51:15,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:15" (1/1) ... [2019-12-07 21:51:15,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb9dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:15, skipping insertion in model container [2019-12-07 21:51:15,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:15" (1/1) ... [2019-12-07 21:51:15,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:51:15,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:15,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:15,979 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 21:51:15,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ee5bdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:15, skipping insertion in model container [2019-12-07 21:51:15,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:15,980 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:51:15,982 INFO L168 Benchmark]: Toolchain (without parser) took 255.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:15,982 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:51:15,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:15,984 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 106]: 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 21:51:17,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:51:17,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:51:17,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:51:17,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:51:17,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:51:17,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:51:17,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:51:17,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:51:17,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:51:17,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:51:17,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:51:17,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:51:17,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:51:17,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:51:17,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:51:17,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:51:17,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:51:17,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:51:17,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:51:17,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:51:17,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:51:17,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:51:17,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:51:17,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:51:17,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:51:17,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:51:17,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:51:17,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:51:17,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:51:17,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:51:17,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:51:17,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:51:17,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:51:17,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:51:17,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:51:17,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:51:17,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:51:17,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:51:17,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:51:17,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:51:17,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:51:17,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:51:17,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:51:17,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:51:17,200 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:51:17,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:51:17,201 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:51:17,201 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:51:17,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:51:17,201 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:51:17,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:51:17,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:51:17,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:51:17,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:51:17,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:51:17,204 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:51:17,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:51:17,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:51:17,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:51:17,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:51:17,205 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_005b5886-d328-44a6-8206-78cfcb19c256/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-12-07 21:51:17,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:51:17,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:51:17,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:51:17,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:51:17,379 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:51:17,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 21:51:17,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/75847673c/bdaffbd7d3b14c2a98c7c314e913c072/FLAGed42a5497 [2019-12-07 21:51:17,861 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:51:17,861 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 21:51:17,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/75847673c/bdaffbd7d3b14c2a98c7c314e913c072/FLAGed42a5497 [2019-12-07 21:51:17,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/data/75847673c/bdaffbd7d3b14c2a98c7c314e913c072 [2019-12-07 21:51:17,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:51:17,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:51:17,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:17,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:51:17,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:51:17,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:17" (1/1) ... [2019-12-07 21:51:17,885 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 09:51:17, skipping insertion in model container [2019-12-07 21:51:17,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:17" (1/1) ... [2019-12-07 21:51:17,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:51:17,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:18,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:18,158 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:51:18,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:18,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:18,224 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:51:18,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:18,289 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:51:18,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18 WrapperNode [2019-12-07 21:51:18,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:18,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:18,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:51:18,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:51:18,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:18,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:51:18,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:51:18,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:51:18,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... [2019-12-07 21:51:18,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:51:18,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:51:18,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:51:18,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:51:18,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:51:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:51:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:51:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:51:18,843 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:51:18,844 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 21:51:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:18 BoogieIcfgContainer [2019-12-07 21:51:18,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:51:18,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:51:18,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:51:18,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:51:18,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:51:17" (1/3) ... [2019-12-07 21:51:18,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582dbc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:18, skipping insertion in model container [2019-12-07 21:51:18,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:18" (2/3) ... [2019-12-07 21:51:18,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582dbc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:18, skipping insertion in model container [2019-12-07 21:51:18,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:18" (3/3) ... [2019-12-07 21:51:18,852 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-12-07 21:51:18,861 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:51:18,867 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:51:18,875 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:51:18,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:51:18,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:51:18,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:51:18,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:51:18,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:51:18,894 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:51:18,894 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:51:18,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:51:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 21:51:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:51:18,912 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:18,912 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:18,913 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:18,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:18,917 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-12-07 21:51:18,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:18,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206921209] [2019-12-07 21:51:18,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:19,064 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:51:19,069 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:19,079 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 21:51:19,080 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:19,084 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 21:51:19,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206921209] [2019-12-07 21:51:19,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:19,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:51:19,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72210380] [2019-12-07 21:51:19,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:51:19,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:19,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:51:19,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:51:19,099 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 21:51:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:19,120 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 21:51:19,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:51:19,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:51:19,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:19,130 INFO L225 Difference]: With dead ends: 136 [2019-12-07 21:51:19,130 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 21:51:19,133 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 21:51:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 21:51:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 21:51:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 21:51:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 21:51:19,163 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 21:51:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:19,163 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 21:51:19,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:51:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 21:51:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:51:19,164 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:19,164 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 21:51:19,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:51:19,365 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:19,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:19,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-12-07 21:51:19,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:19,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859092230] [2019-12-07 21:51:19,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:19,481 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:19,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:19,500 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 21:51:19,500 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:19,509 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 21:51:19,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859092230] [2019-12-07 21:51:19,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:19,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:51:19,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730331078] [2019-12-07 21:51:19,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:51:19,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:19,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:51:19,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:51:19,512 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 21:51:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:19,522 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 21:51:19,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:19,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:51:19,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:19,524 INFO L225 Difference]: With dead ends: 67 [2019-12-07 21:51:19,524 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 21:51:19,525 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 21:51:19,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 21:51:19,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 21:51:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 21:51:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 21:51:19,529 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 21:51:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:19,530 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 21:51:19,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:51:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 21:51:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:51:19,530 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:19,531 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 21:51:19,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:51:19,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:19,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:19,733 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-12-07 21:51:19,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:19,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130082541] [2019-12-07 21:51:19,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:19,880 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:19,882 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:19,890 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 21:51:19,890 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:19,897 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 21:51:19,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130082541] [2019-12-07 21:51:19,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:19,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:51:19,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283414358] [2019-12-07 21:51:19,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:51:19,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:51:19,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:51:19,899 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 21:51:19,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:19,958 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 21:51:19,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:51:19,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:51:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:19,960 INFO L225 Difference]: With dead ends: 110 [2019-12-07 21:51:19,960 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 21:51:19,961 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 21:51:19,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 21:51:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 21:51:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 21:51:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 21:51:19,972 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 21:51:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:19,972 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 21:51:19,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:51:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 21:51:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 21:51:19,973 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:19,974 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 21:51:20,174 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:51:20,174 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:20,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:20,174 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-12-07 21:51:20,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:20,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114964531] [2019-12-07 21:51:20,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:20,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:51:20,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:51:20,288 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:20,310 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 21:51:20,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114964531] [2019-12-07 21:51:20,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:20,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:51:20,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462706646] [2019-12-07 21:51:20,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:51:20,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:20,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:51:20,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:51:20,312 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 21:51:20,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:20,493 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2019-12-07 21:51:20,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 21:51:20,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 21:51:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:20,495 INFO L225 Difference]: With dead ends: 351 [2019-12-07 21:51:20,496 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 21:51:20,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 21:51:20,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 21:51:20,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2019-12-07 21:51:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 21:51:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 21:51:20,512 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2019-12-07 21:51:20,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:20,512 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 21:51:20,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:51:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 21:51:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:51:20,513 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:20,513 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 21:51:20,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:51:20,714 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2019-12-07 21:51:20,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:20,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638183415] [2019-12-07 21:51:20,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:20,869 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:20,870 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:20,875 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 21:51:20,875 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:20,877 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 21:51:20,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638183415] [2019-12-07 21:51:20,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:20,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:51:20,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950952946] [2019-12-07 21:51:20,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:51:20,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:20,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:51:20,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:51:20,879 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2019-12-07 21:51:21,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:21,060 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2019-12-07 21:51:21,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:21,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 21:51:21,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:21,062 INFO L225 Difference]: With dead ends: 342 [2019-12-07 21:51:21,062 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 21:51:21,063 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 21:51:21,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 21:51:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2019-12-07 21:51:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 21:51:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2019-12-07 21:51:21,088 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2019-12-07 21:51:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:21,088 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2019-12-07 21:51:21,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:51:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2019-12-07 21:51:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 21:51:21,090 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:21,090 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:21,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:51:21,292 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:21,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:21,293 INFO L82 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2019-12-07 21:51:21,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:21,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300135692] [2019-12-07 21:51:21,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:21,432 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:21,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:51:21,440 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:21,441 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 21:51:21,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300135692] [2019-12-07 21:51:21,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:21,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:51:21,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591868027] [2019-12-07 21:51:21,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:51:21,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:21,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:51:21,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:51:21,443 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2019-12-07 21:51:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:21,458 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2019-12-07 21:51:21,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:21,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 21:51:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:21,459 INFO L225 Difference]: With dead ends: 325 [2019-12-07 21:51:21,459 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 21:51:21,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:51:21,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 21:51:21,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 21:51:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 21:51:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 21:51:21,470 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 21:51:21,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:21,470 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 21:51:21,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:51:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 21:51:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 21:51:21,472 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:21,472 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 21:51:21,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:51:21,673 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:21,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:21,674 INFO L82 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2019-12-07 21:51:21,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:21,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553502451] [2019-12-07 21:51:21,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:21,805 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:51:21,807 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:21,816 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 21:51:21,817 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:21,836 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 21:51:21,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553502451] [2019-12-07 21:51:21,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1917312397] [2019-12-07 21:51:21,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/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 21:51:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:21,921 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:51:21,922 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:21,949 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 21:51:21,950 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:21,952 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 21:51:21,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:51:21,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 21:51:21,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848347122] [2019-12-07 21:51:21,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:51:21,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:21,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:51:21,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:51:21,953 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 21:51:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:22,025 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 21:51:22,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:51:22,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 21:51:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:22,026 INFO L225 Difference]: With dead ends: 235 [2019-12-07 21:51:22,026 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:51:22,027 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 21:51:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:51:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:51:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:51:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:51:22,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 21:51:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:22,027 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:51:22,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:51:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:51:22,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:51:22,428 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 21:51:22,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-12-07 21:51:22,691 INFO L249 CegarLoopResult]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-12-07 21:51:22,691 INFO L246 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L242 CegarLoopResult]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L242 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L633-2(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-12-07 21:51:22,692 INFO L242 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,692 INFO L246 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 21:51:22,693 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) 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 21:51:22,693 INFO L242 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-12-07 21:51:22,693 INFO L242 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-12-07 21:51:22,693 INFO L246 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-12-07 21:51:22,693 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:51:22,693 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,693 INFO L242 CegarLoopResult]: At program point L753(lines 748 756) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,693 INFO L242 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-12-07 21:51:22,693 INFO L246 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-12-07 21:51:22,693 INFO L242 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-12-07 21:51:22,693 INFO L246 CegarLoopResult]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L242 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L246 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-12-07 21:51:22,694 INFO L249 CegarLoopResult]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-12-07 21:51:22,694 INFO L242 CegarLoopResult]: At program point L591(lines 587 593) 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 21:51:22,694 INFO L242 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,694 INFO L242 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L493(lines 488 496) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2019-12-07 21:51:22,695 INFO L246 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-12-07 21:51:22,695 INFO L242 CegarLoopResult]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,695 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L65(lines 1 910) 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 21:51:22,696 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L891-1(lines 651 657) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,696 INFO L246 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L825-1(lines 1 910) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:51:22,696 INFO L246 CegarLoopResult]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L825-3(lines 1 910) the Hoare annotation is: false [2019-12-07 21:51:22,696 INFO L246 CegarLoopResult]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L825-5(lines 1 910) the Hoare annotation is: false [2019-12-07 21:51:22,696 INFO L242 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-12-07 21:51:22,697 INFO L242 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-12-07 21:51:22,697 INFO L242 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-12-07 21:51:22,697 INFO L246 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-12-07 21:51:22,697 INFO L246 CegarLoopResult]: For program point L546-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 21:51:22,697 INFO L246 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-12-07 21:51:22,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:51:22 BoogieIcfgContainer [2019-12-07 21:51:22,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:51:22,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:51:22,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:51:22,710 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:51:22,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:18" (3/4) ... [2019-12-07 21:51:22,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:51:22,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:51:22,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:51:22,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:51:22,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:51:22,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:51:22,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:51:22,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:51:22,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 21:51:22,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_005b5886-d328-44a6-8206-78cfcb19c256/bin/utaipan/witness.graphml [2019-12-07 21:51:22,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:51:22,775 INFO L168 Benchmark]: Toolchain (without parser) took 4894.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -91.3 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:22,775 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:51:22,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:22,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.16 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 21:51:22,776 INFO L168 Benchmark]: Boogie Preprocessor took 33.09 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 21:51:22,776 INFO L168 Benchmark]: RCFGBuilder took 474.22 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: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:22,776 INFO L168 Benchmark]: TraceAbstraction took 3863.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.3 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:22,776 INFO L168 Benchmark]: Witness Printer took 64.09 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:22,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.16 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 33.09 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 474.22 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: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3863.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.3 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * Witness Printer took 64.09 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: 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: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 407 SDtfs, 620 SDslu, 594 SDs, 0 SdLazy, 116 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred 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, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 24284 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1503 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...