./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_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer --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 Automizer --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_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer --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 Automizer --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 08:54:28,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:28,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:28,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:28,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:28,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:28,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:28,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:28,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:28,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:28,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:28,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:28,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:28,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:28,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:28,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:28,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:28,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:28,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:28,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:28,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:28,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:28,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:28,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:28,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:28,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:28,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:28,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:28,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:28,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:28,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:28,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:28,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:28,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:28,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:28,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:28,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:28,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:28,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:28,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:28,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:28,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:28,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:28,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:28,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:28,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:28,441 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:28,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:28,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:28,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:28,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:28,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:28,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:28,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:28,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:28,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:28,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:28,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:28,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:28,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:28,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer 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 -> Automizer 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 08:54:28,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:28,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:28,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:28,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:28,481 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:28,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 08:54:28,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/3f9d701e5/1354b8fa3a61455cacca18f8a116bcf3/FLAGb002ac9ab [2019-10-22 08:54:28,974 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:28,974 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 08:54:28,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/3f9d701e5/1354b8fa3a61455cacca18f8a116bcf3/FLAGb002ac9ab [2019-10-22 08:54:29,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/3f9d701e5/1354b8fa3a61455cacca18f8a116bcf3 [2019-10-22 08:54:29,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:29,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:29,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:29,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:29,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:29,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:29" (1/1) ... [2019-10-22 08:54:29,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796c4f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:29, skipping insertion in model container [2019-10-22 08:54:29,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:29" (1/1) ... [2019-10-22 08:54:29,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:29,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:29,869 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:54:29,876 INFO L168 Benchmark]: Toolchain (without parser) took 566.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:29,876 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:29,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:29,878 INFO L335 ainManager$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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.5 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 08:54:31,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:31,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:31,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:31,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:31,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:31,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:31,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:31,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:31,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:31,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:31,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:31,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:31,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:31,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:31,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:31,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:31,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:31,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:31,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:31,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:31,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:31,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:31,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:31,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:31,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:31,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:31,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:31,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:31,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:31,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:31,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:31,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:31,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:31,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:31,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:31,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:31,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:31,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:31,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:31,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:31,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:54:31,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:31,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:31,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:31,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:31,818 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:31,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:31,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:31,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:31,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:31,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:31,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:31,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:54:31,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:54:31,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:31,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:54:31,821 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_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer 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 -> Automizer 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 08:54:31,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:31,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:31,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:31,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:31,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:31,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 08:54:31,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/187780c3e/da3a2128bcab49708efc4e51618b145c/FLAG4dcea15de [2019-10-22 08:54:32,398 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:32,398 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-10-22 08:54:32,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/187780c3e/da3a2128bcab49708efc4e51618b145c/FLAG4dcea15de [2019-10-22 08:54:32,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/data/187780c3e/da3a2128bcab49708efc4e51618b145c [2019-10-22 08:54:32,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:32,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:32,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:32,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:32,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:32,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:32" (1/1) ... [2019-10-22 08:54:32,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607c200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:32, skipping insertion in model container [2019-10-22 08:54:32,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:32" (1/1) ... [2019-10-22 08:54:32,717 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:32,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:33,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:33,224 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:33,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:33,579 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:33,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33 WrapperNode [2019-10-22 08:54:33,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:33,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:33,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:33,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:33,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:33,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:33,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:33,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:33,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... [2019-10-22 08:54:33,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:33,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:33,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:33,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:33,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:33,936 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:33,936 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:54:33,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:33 BoogieIcfgContainer [2019-10-22 08:54:33,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:33,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:33,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:33,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:33,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:32" (1/3) ... [2019-10-22 08:54:33,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98365e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:33, skipping insertion in model container [2019-10-22 08:54:33,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:33" (2/3) ... [2019-10-22 08:54:33,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98365e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:33, skipping insertion in model container [2019-10-22 08:54:33,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:33" (3/3) ... [2019-10-22 08:54:33,946 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2019-10-22 08:54:33,955 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:33,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-10-22 08:54:33,973 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-10-22 08:54:34,009 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:34,010 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:34,010 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:34,010 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:34,010 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:34,010 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:34,010 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:34,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-10-22 08:54:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 08:54:34,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:34,031 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 08:54:34,033 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-10-22 08:54:34,047 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:34,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550663136] [2019-10-22 08:54:34,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:34,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:34,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:34,386 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 2 [2019-10-22 08:54:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:34,400 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:34,412 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 08:54:34,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550663136] [2019-10-22 08:54:34,414 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:34,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 08:54:34,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166665476] [2019-10-22 08:54:34,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:34,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:34,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:34,434 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2019-10-22 08:54:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:34,472 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2019-10-22 08:54:34,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:34,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-10-22 08:54:34,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:34,484 INFO L225 Difference]: With dead ends: 74 [2019-10-22 08:54:34,485 INFO L226 Difference]: Without dead ends: 32 [2019-10-22 08:54:34,487 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 08:54:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-22 08:54:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-10-22 08:54:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-22 08:54:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2019-10-22 08:54:34,518 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 3 [2019-10-22 08:54:34,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:34,519 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2019-10-22 08:54:34,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2019-10-22 08:54:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:54:34,520 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:34,520 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:34,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:54:34,727 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:34,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:34,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1420102837, now seen corresponding path program 1 times [2019-10-22 08:54:34,729 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:34,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588687493] [2019-10-22 08:54:34,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:34,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:34,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:34,790 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 08:54:34,790 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:34,901 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 08:54:34,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588687493] [2019-10-22 08:54:34,902 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:34,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 08:54:34,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988241458] [2019-10-22 08:54:34,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:34,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:34,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:34,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:34,904 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 4 states. [2019-10-22 08:54:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:34,918 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2019-10-22 08:54:34,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:34,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 08:54:34,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:34,920 INFO L225 Difference]: With dead ends: 32 [2019-10-22 08:54:34,920 INFO L226 Difference]: Without dead ends: 28 [2019-10-22 08:54:34,921 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 08:54:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-22 08:54:34,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-22 08:54:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 08:54:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-10-22 08:54:34,928 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 7 [2019-10-22 08:54:34,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:34,928 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-10-22 08:54:34,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-10-22 08:54:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:54:34,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:34,929 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:35,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:54:35,142 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:35,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:35,143 INFO L82 PathProgramCache]: Analyzing trace with hash -851686886, now seen corresponding path program 1 times [2019-10-22 08:54:35,143 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:35,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271130359] [2019-10-22 08:54:35,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:35,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:35,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:35,202 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 08:54:35,203 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:35,284 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 08:54:35,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271130359] [2019-10-22 08:54:35,284 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:35,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 08:54:35,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766963028] [2019-10-22 08:54:35,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:35,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:35,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:35,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:35,286 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 4 states. [2019-10-22 08:54:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:35,301 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-10-22 08:54:35,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:35,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 08:54:35,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:35,303 INFO L225 Difference]: With dead ends: 28 [2019-10-22 08:54:35,303 INFO L226 Difference]: Without dead ends: 22 [2019-10-22 08:54:35,303 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 08:54:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-22 08:54:35,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-22 08:54:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 08:54:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-10-22 08:54:35,306 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 10 [2019-10-22 08:54:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:35,306 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-10-22 08:54:35,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-10-22 08:54:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:54:35,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:35,307 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:35,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:54:35,514 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:35,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:35,515 INFO L82 PathProgramCache]: Analyzing trace with hash -352118076, now seen corresponding path program 1 times [2019-10-22 08:54:35,515 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:35,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105950783] [2019-10-22 08:54:35,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:35,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:35,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:35,560 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 08:54:35,560 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:35,569 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 08:54:35,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105950783] [2019-10-22 08:54:35,570 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:35,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 08:54:35,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774590624] [2019-10-22 08:54:35,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:35,571 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:35,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:35,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:35,571 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 4 states. [2019-10-22 08:54:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:35,581 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-22 08:54:35,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:35,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 08:54:35,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:35,583 INFO L225 Difference]: With dead ends: 22 [2019-10-22 08:54:35,583 INFO L226 Difference]: Without dead ends: 18 [2019-10-22 08:54:35,583 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 08:54:35,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-22 08:54:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-22 08:54:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-22 08:54:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-10-22 08:54:35,586 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 14 [2019-10-22 08:54:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:35,586 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-10-22 08:54:35,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-10-22 08:54:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:54:35,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:35,587 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 08:54:35,798 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 08:54:35,799 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:35,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:35,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1635358997, now seen corresponding path program 1 times [2019-10-22 08:54:35,800 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:35,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475760935] [2019-10-22 08:54:35,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/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 08:54:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:35,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:35,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:35,889 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 08:54:35,889 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:35,904 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 08:54:35,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475760935] [2019-10-22 08:54:35,905 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:35,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 08:54:35,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486161725] [2019-10-22 08:54:35,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:35,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:35,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:35,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:35,910 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 3 states. [2019-10-22 08:54:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:35,915 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-10-22 08:54:35,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:35,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:54:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:35,918 INFO L225 Difference]: With dead ends: 18 [2019-10-22 08:54:35,918 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:35,918 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 08:54:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:35,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-10-22 08:54:35,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:35,920 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:35,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:35,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:36,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 08:54:36,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:36,136 INFO L443 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2019-10-22 08:54:36,136 INFO L443 ceAbstractionStarter]: For program point L960-2(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,136 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-10-22 08:54:36,136 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L961(line 961) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 991) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-22 08:54:36,137 INFO L443 ceAbstractionStarter]: For program point L974-1(line 974) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point L974-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:36,138 INFO L443 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-10-22 08:54:36,139 INFO L443 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-10-22 08:54:36,139 INFO L443 ceAbstractionStarter]: For program point L983-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,139 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-22 08:54:36,139 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2019-10-22 08:54:36,139 INFO L443 ceAbstractionStarter]: For program point L975-2(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point L967-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2019-10-22 08:54:36,140 INFO L443 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L959-3(lines 954 991) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L984-2(line 984) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-22 08:54:36,141 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-22 08:54:36,142 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-10-22 08:54:36,142 INFO L443 ceAbstractionStarter]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-10-22 08:54:36,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:36 BoogieIcfgContainer [2019-10-22 08:54:36,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:36,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:36,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:36,145 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:36,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:33" (3/4) ... [2019-10-22 08:54:36,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:36,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:54:36,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:54:36,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6142f889-522c-4819-b8cf-fa965c79191d/bin/uautomizer/witness.graphml [2019-10-22 08:54:36,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:36,212 INFO L168 Benchmark]: Toolchain (without parser) took 3513.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.6 MB in the beginning and 872.4 MB in the end (delta: 73.2 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:36,212 INFO L168 Benchmark]: CDTParser took 0.69 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 08:54:36,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -83.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:36,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.25 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 08:54:36,213 INFO L168 Benchmark]: Boogie Preprocessor took 23.52 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 08:54:36,213 INFO L168 Benchmark]: RCFGBuilder took 278.09 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:36,214 INFO L168 Benchmark]: TraceAbstraction took 2206.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 878.9 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:36,214 INFO L168 Benchmark]: Witness Printer took 65.20 ms. Allocated memory is still 1.2 GB. Free memory was 878.9 MB in the beginning and 872.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:36,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 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 879.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -83.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.25 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. * Boogie Preprocessor took 23.52 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 278.09 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2206.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 878.9 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.20 ms. Allocated memory is still 1.2 GB. Free memory was 878.9 MB in the beginning and 872.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 975]: 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: 990]: 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 - PositiveResult [Line: 959]: 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: 967]: 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, 0.5s 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, 0.6s 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...