./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 356e353e7bb6e96bd959fe4862b56669bada9c19 ......................................................................................................................................................................... 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/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 356e353e7bb6e96bd959fe4862b56669bada9c19 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:49,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:49,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:49,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:49,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:49,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:49,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:49,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:49,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:49,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:49,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:49,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:49,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:49,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:49,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:49,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:49,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:49,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:49,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:49,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:49,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:49,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:49,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:49,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:49,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:49,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:49,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:49,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:49,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:49,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:49,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:49,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:49,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:49,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:49,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:49,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:49,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:49,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:49,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:49,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:49,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:49,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:49,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:49,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:49,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:49,787 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:49,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:49,788 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:49,788 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:49,788 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:49,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:49,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:49,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:49,789 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:49,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:49,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:49,791 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:49,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:49,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:49,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:49,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:49,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:49,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:49,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:49,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:49,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:49,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:49,793 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:49,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:49,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:49,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:49,793 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/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-10-22 11:23:49,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:49,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:49,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:49,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:49,834 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:49,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 11:23:49,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/0642bab26/b3ac04703ba84b47af7ced5e76ee4732/FLAGfe84d52e2 [2019-10-22 11:23:50,312 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:50,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 11:23:50,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/0642bab26/b3ac04703ba84b47af7ced5e76ee4732/FLAGfe84d52e2 [2019-10-22 11:23:50,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/0642bab26/b3ac04703ba84b47af7ced5e76ee4732 [2019-10-22 11:23:50,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:50,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:50,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:50,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:50,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:50,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:50" (1/1) ... [2019-10-22 11:23:50,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411a8b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:50, skipping insertion in model container [2019-10-22 11:23:50,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:50" (1/1) ... [2019-10-22 11:23:50,683 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:50,723 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:51,214 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:23:51,219 INFO L168 Benchmark]: Toolchain (without parser) took 549.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:51,219 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:51,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:51,225 INFO L335 ainManager$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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:52,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:52,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:53,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:53,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:53,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:53,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:53,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:53,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:53,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:53,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:53,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:53,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:53,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:53,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:53,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:53,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:53,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:53,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:53,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:53,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:53,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:53,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:53,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:53,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:53,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:53,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:53,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:53,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:53,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:53,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:53,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:53,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:53,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:53,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:53,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:53,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:53,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:53,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:53,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:53,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:53,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:53,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:53,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:53,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:53,043 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:53,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:53,044 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:53,044 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:53,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:53,044 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:53,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:53,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:53,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:53,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:53,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:53,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:53,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:53,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:53,048 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/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-10-22 11:23:53,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:53,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:53,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:53,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:53,085 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:53,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 11:23:53,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/1b173b512/db344b93a09f4d91a7b415120b86f0dc/FLAGd7ec2eaca [2019-10-22 11:23:53,649 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:53,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 11:23:53,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/1b173b512/db344b93a09f4d91a7b415120b86f0dc/FLAGd7ec2eaca [2019-10-22 11:23:54,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/data/1b173b512/db344b93a09f4d91a7b415120b86f0dc [2019-10-22 11:23:54,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:54,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:54,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:54,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:54,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:54,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696b5eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54, skipping insertion in model container [2019-10-22 11:23:54,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,128 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:54,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:54,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:54,753 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:54,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:55,104 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:55,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55 WrapperNode [2019-10-22 11:23:55,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:55,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:55,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:55,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:55,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:55,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:55,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:55,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:55,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... [2019-10-22 11:23:55,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:55,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:55,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:55,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:55,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:55,521 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:55,521 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:23:55,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55 BoogieIcfgContainer [2019-10-22 11:23:55,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:55,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:55,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:55,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:55,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:54" (1/3) ... [2019-10-22 11:23:55,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d331b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:55, skipping insertion in model container [2019-10-22 11:23:55,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:55" (2/3) ... [2019-10-22 11:23:55,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d331b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:55, skipping insertion in model container [2019-10-22 11:23:55,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55" (3/3) ... [2019-10-22 11:23:55,542 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2019-10-22 11:23:55,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:55,564 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-10-22 11:23:55,573 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-10-22 11:23:55,592 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:55,592 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:55,592 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:55,592 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:55,595 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:55,596 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:55,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:55,596 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-10-22 11:23:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:23:55,616 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,617 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:23:55,619 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:55,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,624 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-10-22 11:23:55,634 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:55,635 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387681599] [2019-10-22 11:23:55,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:55,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:55,958 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 2 [2019-10-22 11:23:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:55,970 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:55,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387681599] [2019-10-22 11:23:55,982 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:23:55,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240085914] [2019-10-22 11:23:55,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:55,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:56,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:56,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,006 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2019-10-22 11:23:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,045 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2019-10-22 11:23:56,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:56,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-10-22 11:23:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,057 INFO L225 Difference]: With dead ends: 74 [2019-10-22 11:23:56,058 INFO L226 Difference]: Without dead ends: 32 [2019-10-22 11:23:56,061 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-22 11:23:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-10-22 11:23:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-22 11:23:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2019-10-22 11:23:56,096 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 3 [2019-10-22 11:23:56,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,097 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2019-10-22 11:23:56,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2019-10-22 11:23:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:56,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,099 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,305 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:23:56,305 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1420102837, now seen corresponding path program 1 times [2019-10-22 11:23:56,306 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:56,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65370494] [2019-10-22 11:23:56,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:56,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,377 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65370494] [2019-10-22 11:23:56,492 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,492 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:23:56,492 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116015325] [2019-10-22 11:23:56,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:56,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:56,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:56,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,495 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 4 states. [2019-10-22 11:23:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,511 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2019-10-22 11:23:56,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:56,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:23:56,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,514 INFO L225 Difference]: With dead ends: 32 [2019-10-22 11:23:56,514 INFO L226 Difference]: Without dead ends: 28 [2019-10-22 11:23:56,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-22 11:23:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-22 11:23:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 11:23:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-10-22 11:23:56,521 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 7 [2019-10-22 11:23:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,521 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-10-22 11:23:56,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-10-22 11:23:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:23:56,522 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,522 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:23:56,737 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,738 INFO L82 PathProgramCache]: Analyzing trace with hash -851686886, now seen corresponding path program 1 times [2019-10-22 11:23:56,738 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:56,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183235045] [2019-10-22 11:23:56,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:56,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,803 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183235045] [2019-10-22 11:23:56,883 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:23:56,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870082654] [2019-10-22 11:23:56,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:56,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:56,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:56,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,885 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 4 states. [2019-10-22 11:23:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,906 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-10-22 11:23:56,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:56,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:23:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,909 INFO L225 Difference]: With dead ends: 28 [2019-10-22 11:23:56,909 INFO L226 Difference]: Without dead ends: 22 [2019-10-22 11:23:56,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-22 11:23:56,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-22 11:23:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 11:23:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-10-22 11:23:56,912 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 10 [2019-10-22 11:23:56,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,914 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-10-22 11:23:56,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-10-22 11:23:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:23:56,915 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,915 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:57,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:23:57,116 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:57,117 INFO L82 PathProgramCache]: Analyzing trace with hash -352118076, now seen corresponding path program 1 times [2019-10-22 11:23:57,117 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:57,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364267259] [2019-10-22 11:23:57,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:57,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:57,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:57,168 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:57,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364267259] [2019-10-22 11:23:57,178 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:57,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:23:57,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824842042] [2019-10-22 11:23:57,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:57,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:57,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:57,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:57,180 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 4 states. [2019-10-22 11:23:57,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:57,197 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-22 11:23:57,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:57,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 11:23:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:57,199 INFO L225 Difference]: With dead ends: 22 [2019-10-22 11:23:57,199 INFO L226 Difference]: Without dead ends: 18 [2019-10-22 11:23:57,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-22 11:23:57,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-22 11:23:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-22 11:23:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-10-22 11:23:57,201 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 14 [2019-10-22 11:23:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:57,202 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-10-22 11:23:57,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-10-22 11:23:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:57,203 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:57,203 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:57,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 11:23:57,418 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:57,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:57,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1635358997, now seen corresponding path program 1 times [2019-10-22 11:23:57,419 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:57,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447589039] [2019-10-22 11:23:57,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/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 [2019-10-22 11:23:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:57,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:57,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:57,502 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:57,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447589039] [2019-10-22 11:23:57,511 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:57,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:23:57,512 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804322419] [2019-10-22 11:23:57,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:57,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:57,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:57,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:57,513 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 3 states. [2019-10-22 11:23:57,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:57,523 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-10-22 11:23:57,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:57,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:57,526 INFO L225 Difference]: With dead ends: 18 [2019-10-22 11:23:57,526 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:57,526 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:57,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:57,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:57,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-10-22 11:23:57,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:57,527 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:57,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:57,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:57,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 11:23:57,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:57,734 INFO L443 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2019-10-22 11:23:57,734 INFO L443 ceAbstractionStarter]: For program point L960-2(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point L961(line 961) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2019-10-22 11:23:57,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 991) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point L974-1(line 974) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point L974-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-22 11:23:57,736 INFO L443 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L983-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L975-2(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L967-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2019-10-22 11:23:57,737 INFO L443 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L959-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L984-2(line 984) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-22 11:23:57,738 INFO L443 ceAbstractionStarter]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-10-22 11:23:57,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:57 BoogieIcfgContainer [2019-10-22 11:23:57,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:57,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:57,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:57,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:57,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55" (3/4) ... [2019-10-22 11:23:57,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:57,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 11:23:57,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:57,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9ca2591-66ad-4550-9606-8e56da968030/bin/utaipan/witness.graphml [2019-10-22 11:23:57,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:57,798 INFO L168 Benchmark]: Toolchain (without parser) took 3688.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.0 MB in the beginning and 880.4 MB in the end (delta: 66.6 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,799 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:57,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,800 INFO L168 Benchmark]: Boogie Preprocessor took 27.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:57,800 INFO L168 Benchmark]: RCFGBuilder took 325.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,801 INFO L168 Benchmark]: TraceAbstraction took 2217.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.0 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,801 INFO L168 Benchmark]: Witness Printer took 56.00 ms. Allocated memory is still 1.2 GB. Free memory was 887.0 MB in the beginning and 880.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 994.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2217.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.0 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.00 ms. Allocated memory is still 1.2 GB. Free memory was 887.0 MB in the beginning and 880.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 967]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 974]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 975]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 11 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 100 SDslu, 38 SDs, 0 SdLazy, 15 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1439 SizeOfPredicates, 5 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...