./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:03:52,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:52,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:52,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:52,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:52,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:52,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:52,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:52,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:52,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:52,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:52,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:52,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:52,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:52,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:52,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:52,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:52,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:52,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:52,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:52,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:52,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:52,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:52,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:52,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:52,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:52,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:52,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:52,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:52,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:52,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:52,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:52,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:52,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:52,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:52,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:52,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:52,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:52,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:52,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:52,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:52,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:03:52,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:52,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:52,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:52,828 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:52,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:52,828 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:52,829 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:03:52,829 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:52,829 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:52,829 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:03:52,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:03:52,830 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:52,831 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:03:52,831 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:03:52,831 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:03:52,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:52,832 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:03:52,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:03:52,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:03:52,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:52,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:52,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:52,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:52,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:52,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:03:52,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:52,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:52,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:52,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:52,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:52,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:52,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:52,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:52,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:52,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:52,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:03:52,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:03:52,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:52,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:52,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:52,839 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 [2020-11-22 13:03:53,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:53,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:53,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:53,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:53,142 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:53,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-11-22 13:03:53,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/ca645f120/3dab3dcad17f4ee0b004e010aa942e89/FLAG8c484f3cf [2020-11-22 13:03:53,638 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:53,638 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-11-22 13:03:53,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/ca645f120/3dab3dcad17f4ee0b004e010aa942e89/FLAG8c484f3cf [2020-11-22 13:03:53,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/ca645f120/3dab3dcad17f4ee0b004e010aa942e89 [2020-11-22 13:03:53,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:53,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:53,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:53,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:53,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:53,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:53" (1/1) ... [2020-11-22 13:03:53,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423002db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:53, skipping insertion in model container [2020-11-22 13:03:53,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:53" (1/1) ... [2020-11-22 13:03:53,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:53,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:54,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:54,072 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) [2020-11-22 13:03:54,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f070a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:54, skipping insertion in model container [2020-11-22 13:03:54,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:54,079 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:54,082 INFO L168 Benchmark]: Toolchain (without parser) took 403.68 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 52.8 MB in the beginning and 84.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:54,083 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:54,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.96 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 52.6 MB in the beginning and 84.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:54,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.96 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 52.6 MB in the beginning and 84.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 469]: 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 0.2.0-a4ecdab [2020-11-22 13:03:56,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:56,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:56,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:56,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:56,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:56,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:56,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:56,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:56,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:56,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:56,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:56,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:56,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:56,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:56,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:56,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:56,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:56,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:56,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:56,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:56,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:56,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:56,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:56,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:56,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:56,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:56,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:56,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:56,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:56,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:56,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:56,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:56,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:56,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:56,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:56,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:56,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:56,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:56,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:56,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:56,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:03:56,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:56,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:56,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:56,313 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:56,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:56,314 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:56,314 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:56,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:56,314 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:56,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:56,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:03:56,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:03:56,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:56,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:56,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:56,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:56,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:56,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:03:56,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:03:56,319 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:03:56,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:56,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:56,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:56,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:56,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:03:56,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:56,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:56,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:56,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:56,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:56,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:56,336 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:03:56,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:03:56,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:56,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:56,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:56,338 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 [2020-11-22 13:03:56,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:56,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:56,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:56,714 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:56,715 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:56,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-11-22 13:03:56,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/e90cb71d0/c2f3a69438904b70bc50efdbb0ceb825/FLAGb39d450ed [2020-11-22 13:03:57,385 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:57,392 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-11-22 13:03:57,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/e90cb71d0/c2f3a69438904b70bc50efdbb0ceb825/FLAGb39d450ed [2020-11-22 13:03:57,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/data/e90cb71d0/c2f3a69438904b70bc50efdbb0ceb825 [2020-11-22 13:03:57,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:57,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:57,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:57,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:57,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:57,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:57" (1/1) ... [2020-11-22 13:03:57,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3db502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:57, skipping insertion in model container [2020-11-22 13:03:57,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:57" (1/1) ... [2020-11-22 13:03:57,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:57,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:58,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:58,065 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:03:58,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:58,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:58,185 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:03:58,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:58,284 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:03:58,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58 WrapperNode [2020-11-22 13:03:58,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:58,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:58,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:03:58,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:03:58,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:58,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:03:58,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:03:58,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:03:58,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... [2020-11-22 13:03:58,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:03:58,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:03:58,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:03:58,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:03:58,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/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 [2020-11-22 13:03:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:03:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:03:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:03:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:00,537 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:00,541 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-11-22 13:04:00,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:00 BoogieIcfgContainer [2020-11-22 13:04:00,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:00,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:00,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:00,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:00,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:03:57" (1/3) ... [2020-11-22 13:04:00,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a23b5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:00, skipping insertion in model container [2020-11-22 13:04:00,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:58" (2/3) ... [2020-11-22 13:04:00,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a23b5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:00, skipping insertion in model container [2020-11-22 13:04:00,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:00" (3/3) ... [2020-11-22 13:04:00,554 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2020-11-22 13:04:00,564 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:00,568 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:04:00,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:00,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:00,614 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:00,614 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:00,614 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:00,615 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:00,615 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:00,615 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:00,615 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-22 13:04:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:04:00,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:00,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:00,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1575452233, now seen corresponding path program 1 times [2020-11-22 13:04:00,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:00,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811115988] [2020-11-22 13:04:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/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 [2020-11-22 13:04:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:00,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:04:00,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:00,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:00,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811115988] [2020-11-22 13:04:00,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:00,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:00,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619809275] [2020-11-22 13:04:01,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:04:01,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:01,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:04:01,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:01,016 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-22 13:04:01,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:01,057 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-11-22 13:04:01,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:04:01,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:04:01,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:01,071 INFO L225 Difference]: With dead ends: 122 [2020-11-22 13:04:01,071 INFO L226 Difference]: Without dead ends: 59 [2020-11-22 13:04:01,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-22 13:04:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-22 13:04:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-22 13:04:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-11-22 13:04:01,121 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-11-22 13:04:01,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:01,121 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-11-22 13:04:01,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:04:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-11-22 13:04:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:04:01,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:01,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:01,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:01,342 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:01,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1895768390, now seen corresponding path program 1 times [2020-11-22 13:04:01,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:01,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312255019] [2020-11-22 13:04:01,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/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 [2020-11-22 13:04:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:01,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:01,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:01,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:01,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312255019] [2020-11-22 13:04:01,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:01,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:01,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793424035] [2020-11-22 13:04:01,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:01,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:01,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:01,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:01,642 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2020-11-22 13:04:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:01,654 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-22 13:04:01,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:01,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:04:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:01,656 INFO L225 Difference]: With dead ends: 59 [2020-11-22 13:04:01,656 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 13:04:01,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:01,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 13:04:01,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 13:04:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 13:04:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-22 13:04:01,663 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-11-22 13:04:01,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:01,663 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-22 13:04:01,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-22 13:04:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:04:01,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:01,665 INFO L422 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] [2020-11-22 13:04:01,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:01,881 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:01,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2020-11-22 13:04:01,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:01,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500147173] [2020-11-22 13:04:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/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 [2020-11-22 13:04:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:02,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:02,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:02,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:02,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500147173] [2020-11-22 13:04:02,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:02,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:04:02,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110277625] [2020-11-22 13:04:02,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:02,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:02,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:02,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:04:02,247 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-11-22 13:04:02,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:02,379 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2020-11-22 13:04:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:04:02,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:04:02,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:02,382 INFO L225 Difference]: With dead ends: 126 [2020-11-22 13:04:02,382 INFO L226 Difference]: Without dead ends: 102 [2020-11-22 13:04:02,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:04:02,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-11-22 13:04:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2020-11-22 13:04:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-11-22 13:04:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-11-22 13:04:02,401 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2020-11-22 13:04:02,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:02,402 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-11-22 13:04:02,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-11-22 13:04:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:04:02,403 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:02,404 INFO L422 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] [2020-11-22 13:04:02,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:04:02,621 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:02,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:02,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2020-11-22 13:04:02,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:02,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071191912] [2020-11-22 13:04:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/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 [2020-11-22 13:04:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:02,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:02,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:02,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:02,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071191912] [2020-11-22 13:04:02,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:02,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:04:02,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658596475] [2020-11-22 13:04:02,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:02,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:02,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:02,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:04:02,848 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2020-11-22 13:04:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:02,957 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2020-11-22 13:04:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:02,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:04:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:02,959 INFO L225 Difference]: With dead ends: 148 [2020-11-22 13:04:02,959 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:04:02,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:04:02,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:04:02,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:04:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:04:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:04:02,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 13:04:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:02,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:04:02,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:04:02,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:04:03,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:04:03,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L333(lines 333 343) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L333-2(lines 333 343) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L333-4(lines 333 343) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:04:03,532 INFO L274 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2020-11-22 13:04:03,532 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2020-11-22 13:04:03,532 INFO L274 CegarLoopResult]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2020-11-22 13:04:03,532 INFO L270 CegarLoopResult]: At program point L318(lines 313 320) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:04:03,532 INFO L270 CegarLoopResult]: At program point L170(lines 169 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,532 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2020-11-22 13:04:03,532 INFO L270 CegarLoopResult]: At program point L170-2(lines 169 188) the Hoare annotation is: false [2020-11-22 13:04:03,532 INFO L270 CegarLoopResult]: At program point L170-3(lines 169 188) the Hoare annotation is: false [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point L436-2(line 436) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point L106(lines 106 112) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L270 CegarLoopResult]: At program point L106-1(lines 106 112) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,533 INFO L277 CegarLoopResult]: At program point L899(lines 880 902) the Hoare annotation is: true [2020-11-22 13:04:03,533 INFO L270 CegarLoopResult]: At program point L866(lines 862 868) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:04:03,533 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:04:03,533 INFO L270 CegarLoopResult]: At program point L818-2(lines 818 832) the Hoare annotation is: false [2020-11-22 13:04:03,534 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L270 CegarLoopResult]: At program point L291-1(lines 291 297) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L126(lines 126 141) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2020-11-22 13:04:03,534 INFO L274 CegarLoopResult]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L270 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,535 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: false [2020-11-22 13:04:03,535 INFO L270 CegarLoopResult]: At program point L177-2(lines 177 183) the Hoare annotation is: false [2020-11-22 13:04:03,535 INFO L274 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L274 CegarLoopResult]: For program point L822-1(lines 170 176) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L270 CegarLoopResult]: At program point L146(lines 95 147) the Hoare annotation is: false [2020-11-22 13:04:03,535 INFO L274 CegarLoopResult]: For program point L97(lines 96 145) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L274 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-11-22 13:04:03,535 INFO L277 CegarLoopResult]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2020-11-22 13:04:03,536 INFO L274 CegarLoopResult]: For program point L329(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L329-1(lines 1 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,536 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L329-3(lines 1 902) the Hoare annotation is: false [2020-11-22 13:04:03,536 INFO L274 CegarLoopResult]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:04:03,536 INFO L270 CegarLoopResult]: At program point L329-5(lines 1 902) the Hoare annotation is: false [2020-11-22 13:04:03,537 INFO L274 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-11-22 13:04:03,537 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:04:03,537 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:03,537 INFO L270 CegarLoopResult]: At program point L247(lines 242 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,537 INFO L270 CegarLoopResult]: At program point L247-1(lines 242 250) the Hoare annotation is: false [2020-11-22 13:04:03,537 INFO L270 CegarLoopResult]: At program point L247-2(lines 242 250) the Hoare annotation is: false [2020-11-22 13:04:03,537 INFO L274 CegarLoopResult]: For program point L116(lines 116 122) no Hoare annotation was computed. [2020-11-22 13:04:03,537 INFO L270 CegarLoopResult]: At program point L116-1(lines 116 122) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,537 INFO L270 CegarLoopResult]: At program point L67(lines 1 902) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-11-22 13:04:03,538 INFO L274 CegarLoopResult]: For program point L134(lines 134 140) no Hoare annotation was computed. [2020-11-22 13:04:03,538 INFO L270 CegarLoopResult]: At program point L134-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:03,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:03 BoogieIcfgContainer [2020-11-22 13:04:03,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:03,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:03,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:03,554 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:03,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:00" (3/4) ... [2020-11-22 13:04:03,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:04:03,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:04:03,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:04:03,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:04:03,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:04:03,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:04:03,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:03,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:03,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:04:03,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c2dca50b-e561-49b3-b909-5450be23569a/bin/utaipan/witness.graphml [2020-11-22 13:04:03,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:03,654 INFO L168 Benchmark]: Toolchain (without parser) took 5982.94 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 50.5 MB in the beginning and 52.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,654 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:03,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.87 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 34.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.82 ms. Allocated memory is still 69.2 MB. Free memory was 34.7 MB in the beginning and 31.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,655 INFO L168 Benchmark]: Boogie Preprocessor took 71.02 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 29.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,656 INFO L168 Benchmark]: RCFGBuilder took 2098.65 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 29.8 MB in the beginning and 41.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,656 INFO L168 Benchmark]: TraceAbstraction took 3007.39 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 41.3 MB in the beginning and 57.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,656 INFO L168 Benchmark]: Witness Printer took 98.57 ms. Allocated memory is still 107.0 MB. Free memory was 57.9 MB in the beginning and 52.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 613.87 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 34.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.82 ms. Allocated memory is still 69.2 MB. Free memory was 34.7 MB in the beginning and 31.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.02 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 29.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2098.65 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 29.8 MB in the beginning and 41.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3007.39 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 41.3 MB in the beginning and 57.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. * Witness Printer took 98.57 ms. Allocated memory is still 107.0 MB. Free memory was 57.9 MB in the beginning and 52.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 246 SDslu, 271 SDs, 0 SdLazy, 40 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 5904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...