./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/ceil_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_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25aab87b38f93dc6476ade2c413a31d30d52ba57 ......................................................................................................................................................................... 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_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25aab87b38f93dc6476ade2c413a31d30d52ba57 .................................................................................................................................................................................................................................................................................................................................................................... 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 06:27:18,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:27:18,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:27:18,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:27:18,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:27:18,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:27:18,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:27:18,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:27:18,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:27:18,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:27:18,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:27:18,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:27:18,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:27:18,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:27:18,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:27:18,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:27:18,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:27:18,301 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:27:18,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:27:18,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:27:18,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:27:18,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:27:18,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:27:18,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:27:18,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:27:18,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:27:18,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:27:18,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:27:18,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:27:18,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:27:18,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:27:18,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:27:18,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:27:18,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:27:18,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:27:18,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:27:18,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:27:18,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:27:18,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:27:18,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:27:18,324 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:27:18,324 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:27:18,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:27:18,325 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:27:18,326 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:27:18,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:27:18,326 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:27:18,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:27:18,327 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:27:18,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:27:18,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:27:18,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:27:18,329 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:27:18,330 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25aab87b38f93dc6476ade2c413a31d30d52ba57 [2018-11-23 06:27:18,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:27:18,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:27:18,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:27:18,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:27:18,363 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:27:18,364 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i [2018-11-23 06:27:18,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/394e9a16b/541e2f9bb287491b91508af2ce5ec23d/FLAGe9dc227d5 [2018-11-23 06:27:18,742 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:27:18,742 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i [2018-11-23 06:27:18,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/394e9a16b/541e2f9bb287491b91508af2ce5ec23d/FLAGe9dc227d5 [2018-11-23 06:27:18,760 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/394e9a16b/541e2f9bb287491b91508af2ce5ec23d [2018-11-23 06:27:18,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:27:18,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:27:18,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:27:18,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:27:18,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:27:18,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:18" (1/1) ... [2018-11-23 06:27:18,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f243bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:18, skipping insertion in model container [2018-11-23 06:27:18,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:18" (1/1) ... [2018-11-23 06:27:18,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:27:18,803 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:27:19,089 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: ceil 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:27:19,092 INFO L168 Benchmark]: Toolchain (without parser) took 329.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 935.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:19,094 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:27:19,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 935.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:19,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 935.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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: ceil de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: ceil: 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 06:27:20,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:27:20,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:27:20,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:27:20,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:27:20,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:27:20,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:27:20,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:27:20,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:27:20,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:27:20,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:27:20,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:27:20,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:27:20,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:27:20,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:27:20,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:27:20,319 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:27:20,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:27:20,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:27:20,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:27:20,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:27:20,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:27:20,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:27:20,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:27:20,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:27:20,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:27:20,328 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:27:20,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:27:20,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:27:20,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:27:20,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:27:20,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:27:20,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:27:20,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:27:20,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:27:20,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:27:20,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 06:27:20,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:27:20,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:27:20,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:27:20,343 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:27:20,344 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:27:20,344 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:27:20,344 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:27:20,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:27:20,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:27:20,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:27:20,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:27:20,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:27:20,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:27:20,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:27:20,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:27:20,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:27:20,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:27:20,347 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:27:20,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:27:20,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:27:20,348 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 06:27:20,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:27:20,348 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:27:20,348 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:27:20,348 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_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25aab87b38f93dc6476ade2c413a31d30d52ba57 [2018-11-23 06:27:20,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:27:20,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:27:20,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:27:20,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:27:20,390 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:27:20,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i [2018-11-23 06:27:20,433 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/d55d6bb24/3dc034bd18b6430a921d166a8bea6bd2/FLAG1b8091d54 [2018-11-23 06:27:20,877 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:27:20,878 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/sv-benchmarks/c/floats-esbmc-regression/ceil_true-unreach-call.i [2018-11-23 06:27:20,886 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/d55d6bb24/3dc034bd18b6430a921d166a8bea6bd2/FLAG1b8091d54 [2018-11-23 06:27:20,895 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/data/d55d6bb24/3dc034bd18b6430a921d166a8bea6bd2 [2018-11-23 06:27:20,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:27:20,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:27:20,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:27:20,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:27:20,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:27:20,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:20" (1/1) ... [2018-11-23 06:27:20,902 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 06:27:20, skipping insertion in model container [2018-11-23 06:27:20,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:20" (1/1) ... [2018-11-23 06:27:20,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:27:20,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:27:21,333 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:27:21,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:27:21,370 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:27:21,572 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:27:21,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21 WrapperNode [2018-11-23 06:27:21,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:27:21,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:27:21,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:27:21,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:27:21,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:27:21,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:27:21,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:27:21,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:27:21,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... [2018-11-23 06:27:21,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:27:21,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:27:21,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:27:21,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:27:21,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:27:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 06:27:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 06:27:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:27:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:27:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:27:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:27:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:27:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:27:21,792 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:27:21,792 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 06:27:21,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:21 BoogieIcfgContainer [2018-11-23 06:27:21,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:27:21,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:27:21,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:27:21,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:27:21,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:27:20" (1/3) ... [2018-11-23 06:27:21,797 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 06:27:21, skipping insertion in model container [2018-11-23 06:27:21,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:21" (2/3) ... [2018-11-23 06:27:21,797 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 06:27:21, skipping insertion in model container [2018-11-23 06:27:21,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:21" (3/3) ... [2018-11-23 06:27:21,798 INFO L112 eAbstractionObserver]: Analyzing ICFG ceil_true-unreach-call.i [2018-11-23 06:27:21,805 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:27:21,809 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:27:21,817 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:27:21,834 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:27:21,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:27:21,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:27:21,834 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:27:21,834 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:27:21,834 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:27:21,835 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:27:21,835 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:27:21,835 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:27:21,848 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-23 06:27:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 06:27:21,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:27:21,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:27:21,855 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:27:21,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:27:21,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1438912193, now seen corresponding path program 1 times [2018-11-23 06:27:21,861 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:27:21,861 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 06:27:21,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:27:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:27:21,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:27:21,950 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 06:27:21,951 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:27:21,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:27:21,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:27:21,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:27:21,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:27:21,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:27:21,969 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-11-23 06:27:22,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:27:22,023 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2018-11-23 06:27:22,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:27:22,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-23 06:27:22,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:27:22,030 INFO L225 Difference]: With dead ends: 39 [2018-11-23 06:27:22,030 INFO L226 Difference]: Without dead ends: 20 [2018-11-23 06:27:22,032 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 06:27:22,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-23 06:27:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-23 06:27:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 06:27:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-23 06:27:22,058 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2018-11-23 06:27:22,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:27:22,058 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-23 06:27:22,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:27:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-23 06:27:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 06:27:22,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:27:22,059 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:27:22,060 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:27:22,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:27:22,060 INFO L82 PathProgramCache]: Analyzing trace with hash 753045925, now seen corresponding path program 1 times [2018-11-23 06:27:22,061 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:27:22,061 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 06:27:22,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:27:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:27:22,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:27:22,161 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 06:27:22,161 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:27:22,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:27:22,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:27:22,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:27:22,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:27:22,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:27:22,174 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 5 states. [2018-11-23 06:27:22,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:27:22,214 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-11-23 06:27:22,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:27:22,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-23 06:27:22,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:27:22,216 INFO L225 Difference]: With dead ends: 26 [2018-11-23 06:27:22,216 INFO L226 Difference]: Without dead ends: 22 [2018-11-23 06:27:22,217 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 06:27:22,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-23 06:27:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-23 06:27:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 06:27:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-11-23 06:27:22,222 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2018-11-23 06:27:22,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:27:22,222 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-11-23 06:27:22,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:27:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-23 06:27:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 06:27:22,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:27:22,223 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 06:27:22,223 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:27:22,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:27:22,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1084274875, now seen corresponding path program 1 times [2018-11-23 06:27:22,224 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:27:22,224 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 06:27:22,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:27:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:27:22,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:27:22,287 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 06:27:22,287 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:27:22,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:27:22,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:27:22,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:27:22,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:27:22,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:27:22,300 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2018-11-23 06:27:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:27:22,326 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-23 06:27:22,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:27:22,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-23 06:27:22,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:27:22,326 INFO L225 Difference]: With dead ends: 22 [2018-11-23 06:27:22,327 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:27:22,327 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 06:27:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:27:22,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:27:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:27:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:27:22,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 06:27:22,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:27:22,328 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:27:22,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:27:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:27:22,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:27:22,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:27:22,378 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 06:27:22,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:27:22,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:27:22,378 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 06:27:22,379 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:27:22,379 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (= main_~c~0 (fp.roundToIntegral roundTowardPositive (fp.neg (_ +oo 11 53)))) [2018-11-23 06:27:22,379 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 869 879) the Hoare annotation is: true [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 869 879) no Hoare annotation was computed. [2018-11-23 06:27:22,379 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (= main_~c~0 (fp.roundToIntegral roundTowardPositive (fp.neg (_ +zero 11 53)))) [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 869 879) no Hoare annotation was computed. [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2018-11-23 06:27:22,379 INFO L451 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-11-23 06:27:22,379 INFO L448 ceAbstractionStarter]: For program point L867-3(line 867) no Hoare annotation was computed. [2018-11-23 06:27:22,380 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 867) the Hoare annotation is: true [2018-11-23 06:27:22,380 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 867) no Hoare annotation was computed. [2018-11-23 06:27:22,380 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-11-23 06:27:22,380 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-11-23 06:27:22,380 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-11-23 06:27:22,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:27:22 BoogieIcfgContainer [2018-11-23 06:27:22,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:27:22,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:27:22,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:27:22,383 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:27:22,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:21" (3/4) ... [2018-11-23 06:27:22,386 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:27:22,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:27:22,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:27:22,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 06:27:22,396 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:27:22,396 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:27:22,396 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:27:22,429 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c490e148-b2e1-4b4d-aa57-9e552c4665ae/bin-2019/utaipan/witness.graphml [2018-11-23 06:27:22,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:27:22,429 INFO L168 Benchmark]: Toolchain (without parser) took 1532.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -70.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,431 INFO L168 Benchmark]: CDTParser took 0.15 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 06:27:22,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -276.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,432 INFO L168 Benchmark]: Boogie Preprocessor took 14.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:27:22,432 INFO L168 Benchmark]: RCFGBuilder took 132.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,432 INFO L168 Benchmark]: TraceAbstraction took 589.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,433 INFO L168 Benchmark]: Witness Printer took 46.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:27:22,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 673.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -276.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 132.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 589.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 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, 0.1s 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, 0.1s 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...