./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 6526079147d40b1f80595aa68630e576c5a98759 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 6526079147d40b1f80595aa68630e576c5a98759 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:37:24,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:37:24,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:37:24,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:37:24,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:37:24,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:37:24,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:37:24,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:37:24,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:37:24,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:37:24,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:37:24,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:37:24,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:37:24,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:37:24,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:37:24,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:37:24,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:37:24,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:37:24,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:37:24,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:37:24,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:37:24,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:37:24,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:37:24,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:37:24,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:37:24,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:37:24,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:37:24,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:37:24,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:37:24,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:37:24,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:37:24,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:37:24,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:37:24,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:37:24,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:37:24,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:37:24,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 11:37:24,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:37:24,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:37:24,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:37:24,931 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:37:24,932 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:37:24,932 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:37:24,932 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:37:24,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:37:24,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:37:24,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:37:24,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:37:24,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:37:24,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:37:24,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:37:24,936 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 -> 6526079147d40b1f80595aa68630e576c5a98759 [2018-11-23 11:37:24,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:37:24,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:37:24,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:37:24,971 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:37:24,971 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:37:24,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-11-23 11:37:25,016 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/d70f9e3e8/4c538944445641e38a746973ff6a3b21/FLAGef6f71bc0 [2018-11-23 11:37:25,371 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:37:25,371 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-11-23 11:37:25,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/d70f9e3e8/4c538944445641e38a746973ff6a3b21/FLAGef6f71bc0 [2018-11-23 11:37:25,390 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/d70f9e3e8/4c538944445641e38a746973ff6a3b21 [2018-11-23 11:37:25,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:37:25,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:37:25,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:37:25,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:37:25,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:37:25,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:25" (1/1) ... [2018-11-23 11:37:25,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c7ee63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25, skipping insertion in model container [2018-11-23 11:37:25,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:25" (1/1) ... [2018-11-23 11:37:25,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:37:25,434 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:37:25,730 FATAL L292 ToolchainWalker]: 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: floor at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:664) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1317) 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:1261) 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:962) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 11:37:25,733 INFO L168 Benchmark]: Toolchain (without parser) took 340.00 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 937.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:25,734 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:37:25,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 937.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:25,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 937.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 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: floor de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 11:37:26,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:37:26,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:37:26,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:37:26,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:37:26,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:37:26,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:37:26,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:37:26,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:37:26,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:37:26,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:37:26,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:37:26,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:37:26,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:37:26,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:37:26,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:37:26,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:37:26,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:37:26,964 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:37:26,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:37:26,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:37:26,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:37:26,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:37:26,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:37:26,970 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:37:26,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:37:26,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:37:26,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:37:26,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:37:26,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:37:26,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:37:26,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:37:26,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:37:26,975 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:37:26,976 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:37:26,976 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:37:26,976 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:37:26,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:37:26,987 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:37:26,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:37:26,987 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:37:26,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:37:26,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:37:26,988 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:37:26,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:37:26,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:37:26,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:37:26,990 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:37:26,990 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:37:26,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:37:26,991 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:37:26,991 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:37:26,991 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:37:26,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:37:26,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:37:26,992 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 -> 6526079147d40b1f80595aa68630e576c5a98759 [2018-11-23 11:37:27,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:37:27,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:37:27,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:37:27,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:37:27,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:37:27,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-11-23 11:37:27,076 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/ab52a87c0/b32e448c8de34289a0316abf5a7facfb/FLAG24209e048 [2018-11-23 11:37:27,415 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:37:27,416 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-11-23 11:37:27,427 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/ab52a87c0/b32e448c8de34289a0316abf5a7facfb/FLAG24209e048 [2018-11-23 11:37:27,438 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/data/ab52a87c0/b32e448c8de34289a0316abf5a7facfb [2018-11-23 11:37:27,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:37:27,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:37:27,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:37:27,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:37:27,445 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:37:27,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:27" (1/1) ... [2018-11-23 11:37:27,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711d7f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:27, skipping insertion in model container [2018-11-23 11:37:27,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:27" (1/1) ... [2018-11-23 11:37:27,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:37:27,489 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:37:27,876 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:37:27,881 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:37:27,909 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:37:28,113 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:37:28,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28 WrapperNode [2018-11-23 11:37:28,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:37:28,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:37:28,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:37:28,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:37:28,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:37:28,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:37:28,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:37:28,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:37:28,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... [2018-11-23 11:37:28,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:37:28,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:37:28,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:37:28,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:37:28,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 [2018-11-23 11:37:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:37:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:37:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:37:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:37:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:37:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:37:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:37:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:37:28,334 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:37:28,335 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:37:28,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:28 BoogieIcfgContainer [2018-11-23 11:37:28,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:37:28,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:37:28,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:37:28,338 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:37:28,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:37:27" (1/3) ... [2018-11-23 11:37:28,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5940d9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:28, skipping insertion in model container [2018-11-23 11:37:28,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:28" (2/3) ... [2018-11-23 11:37:28,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5940d9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:28, skipping insertion in model container [2018-11-23 11:37:28,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:28" (3/3) ... [2018-11-23 11:37:28,341 INFO L112 eAbstractionObserver]: Analyzing ICFG floor_true-unreach-call.i [2018-11-23 11:37:28,348 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:37:28,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:37:28,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:37:28,383 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:37:28,384 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:37:28,384 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:37:28,384 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:37:28,384 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:37:28,384 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:37:28,384 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:37:28,384 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:37:28,385 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:37:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-23 11:37:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 11:37:28,402 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:28,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:28,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:28,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:28,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1438912193, now seen corresponding path program 1 times [2018-11-23 11:37:28,410 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 11:37:28,410 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 [2018-11-23 11:37:28,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:28,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:28,518 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:37:28,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:37:28,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:37:28,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:37:28,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:37:28,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:37:28,536 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-11-23 11:37:28,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:28,590 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2018-11-23 11:37:28,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:37:28,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-23 11:37:28,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:28,596 INFO L225 Difference]: With dead ends: 39 [2018-11-23 11:37:28,596 INFO L226 Difference]: Without dead ends: 20 [2018-11-23 11:37:28,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:37:28,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-23 11:37:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-23 11:37:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:37:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-23 11:37:28,628 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2018-11-23 11:37:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:28,628 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-23 11:37:28,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:37:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-23 11:37:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:37:28,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:28,630 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:28,630 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:28,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:28,630 INFO L82 PathProgramCache]: Analyzing trace with hash 753045925, now seen corresponding path program 1 times [2018-11-23 11:37:28,630 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 11:37:28,631 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 [2018-11-23 11:37:28,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:28,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:37:28,745 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:37:28,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:37:28,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:37:28,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:37:28,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:37:28,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:37:28,754 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 5 states. [2018-11-23 11:37:28,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:28,793 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-11-23 11:37:28,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:37:28,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-23 11:37:28,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:28,794 INFO L225 Difference]: With dead ends: 26 [2018-11-23 11:37:28,794 INFO L226 Difference]: Without dead ends: 22 [2018-11-23 11:37:28,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:37:28,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-23 11:37:28,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-23 11:37:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 11:37:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-11-23 11:37:28,799 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2018-11-23 11:37:28,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:28,800 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-11-23 11:37:28,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:37:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-23 11:37:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 11:37:28,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:28,801 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:28,801 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:28,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:28,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1084274875, now seen corresponding path program 1 times [2018-11-23 11:37:28,802 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 11:37:28,802 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/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 [2018-11-23 11:37:28,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:28,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 11:37:28,897 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:37:28,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:37:28,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:37:28,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:37:28,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:37:28,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:37:28,909 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2018-11-23 11:37:28,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:28,934 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-23 11:37:28,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:37:28,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-23 11:37:28,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:28,935 INFO L225 Difference]: With dead ends: 22 [2018-11-23 11:37:28,935 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:37:28,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:37:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:37:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:37:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:37:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:37:28,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 11:37:28,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:28,936 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:37:28,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:37:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:37:28,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:28,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:37:28,973 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:37:28,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:37:28,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:37:28,974 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:37:28,974 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:37:28,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:37:28,974 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (= (fp.roundToIntegral roundTowardNegative (fp.neg (_ +oo 11 53))) main_~c~0) [2018-11-23 11:37:28,974 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 869 879) the Hoare annotation is: true [2018-11-23 11:37:28,974 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 869 879) no Hoare annotation was computed. [2018-11-23 11:37:28,974 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (= (fp.roundToIntegral roundTowardNegative (fp.neg (_ +zero 11 53))) main_~c~0) [2018-11-23 11:37:28,974 INFO L448 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 869 879) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L451 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point L867-3(line 867) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 867) the Hoare annotation is: true [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 867) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-11-23 11:37:28,975 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-11-23 11:37:28,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:37:28 BoogieIcfgContainer [2018-11-23 11:37:28,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:37:28,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:37:28,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:37:28,978 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:37:28,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:28" (3/4) ... [2018-11-23 11:37:28,981 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:37:28,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:37:28,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:37:28,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:37:28,991 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 11:37:28,991 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:37:28,991 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:37:29,023 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04082be3-debc-442b-8821-f44184f163ec/bin-2019/uautomizer/witness.graphml [2018-11-23 11:37:29,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:37:29,023 INFO L168 Benchmark]: Toolchain (without parser) took 1582.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,025 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:37:29,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.40 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 826.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 826.2 MB in the beginning and 1.1 GB in the end (delta: -301.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,026 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,026 INFO L168 Benchmark]: RCFGBuilder took 125.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,026 INFO L168 Benchmark]: TraceAbstraction took 642.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,027 INFO L168 Benchmark]: Witness Printer took 44.88 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:37:29,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.40 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 826.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 826.2 MB in the beginning and 1.1 GB in the end (delta: -301.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 125.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 642.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.88 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 15 SDslu, 96 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 18 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1551 SizeOfPredicates, 6 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...