./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:55:46,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:55:46,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:55:46,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:55:46,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:55:46,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:55:46,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:55:46,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:55:46,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:55:46,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:55:46,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:55:46,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:55:46,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:55:46,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:55:46,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:55:46,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:55:46,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:55:46,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:55:46,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:55:46,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:55:46,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:55:46,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:55:46,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:55:46,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:55:46,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:55:46,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:55:46,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:55:46,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:55:46,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:55:46,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:55:46,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:55:46,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:55:46,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:55:46,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:55:46,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:55:46,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:55:46,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:55:46,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:55:46,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:55:46,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:55:46,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:55:46,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:55:46,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:55:46,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:55:46,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:55:46,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:55:46,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:55:46,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:55:46,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:55:46,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:55:46,331 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:55:46,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:55:46,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:55:46,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:55:46,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:55:46,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:55:46,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:55:46,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:55:46,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:55:46,334 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:55:46,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:55:46,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:55:46,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:55:46,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:55:46,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:55:46,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:55:46,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:46,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:55:46,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:55:46,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:55:46,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:55:46,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:55:46,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:55:46,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:55:46,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:55:46,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:55:46,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2021-11-20 06:55:46,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:55:46,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:55:46,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:55:46,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:55:46,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:55:46,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-11-20 06:55:46,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/9ee9793a7/a55e3a0c323d44b2853af5674c56fabb/FLAGc00a04215 [2021-11-20 06:55:47,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:55:47,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-11-20 06:55:47,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/9ee9793a7/a55e3a0c323d44b2853af5674c56fabb/FLAGc00a04215 [2021-11-20 06:55:47,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/9ee9793a7/a55e3a0c323d44b2853af5674c56fabb [2021-11-20 06:55:47,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:55:47,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:55:47,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:47,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:55:47,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:55:47,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:47" (1/1) ... [2021-11-20 06:55:47,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cca307f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:47, skipping insertion in model container [2021-11-20 06:55:47,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:47" (1/1) ... [2021-11-20 06:55:47,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:55:47,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:55:48,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-11-20 06:55:48,282 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) 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:1107) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:674) 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:1441) 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:1385) 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:1069) 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:1456) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 06:55:48,289 INFO L158 Benchmark]: Toolchain (without parser) took 600.06ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.2MB in the beginning and 84.3MB in the end (delta: -27.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:55:48,290 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:48,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.97ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 84.3MB in the end (delta: -27.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:55:48,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.97ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 84.3MB in the end (delta: -27.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:55:50,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:55:50,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:55:50,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:55:50,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:55:50,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:55:50,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:55:50,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:55:50,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:55:50,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:55:50,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:55:50,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:55:50,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:55:50,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:55:50,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:55:50,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:55:50,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:55:50,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:55:50,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:55:50,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:55:50,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:55:50,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:55:50,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:55:50,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:55:50,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:55:50,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:55:50,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:55:50,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:55:50,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:55:50,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:55:50,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:55:50,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:55:50,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:55:50,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:55:50,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:55:50,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:55:50,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:55:50,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:55:50,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:55:50,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:55:50,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:55:50,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:55:50,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:55:50,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:55:50,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:55:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:55:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:55:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:55:50,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:55:50,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:55:50,776 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:55:50,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:55:50,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:55:50,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:55:50,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:55:50,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:55:50,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:55:50,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:55:50,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:55:50,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:55:50,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:55:50,779 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:55:50,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:55:50,779 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:55:50,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:55:50,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:55:50,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:55:50,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:55:50,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:50,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:55:50,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:55:50,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:55:50,782 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:55:50,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:55:50,782 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:55:50,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:55:50,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:55:50,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:55:50,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:55:50,783 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2021-11-20 06:55:51,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:55:51,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:55:51,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:55:51,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:55:51,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:55:51,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-11-20 06:55:51,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/351649174/091be13e2bd84991901b5cf1e227ebf7/FLAGe84fdc62c [2021-11-20 06:55:51,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:55:51,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-11-20 06:55:51,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/351649174/091be13e2bd84991901b5cf1e227ebf7/FLAGe84fdc62c [2021-11-20 06:55:52,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/data/351649174/091be13e2bd84991901b5cf1e227ebf7 [2021-11-20 06:55:52,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:55:52,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:55:52,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:52,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:55:52,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:55:52,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:52" (1/1) ... [2021-11-20 06:55:52,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17570c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:52, skipping insertion in model container [2021-11-20 06:55:52,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:52" (1/1) ... [2021-11-20 06:55:52,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:55:52,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:55:52,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-11-20 06:55:52,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:52,882 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:55:52,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-11-20 06:55:52,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:53,136 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:55:53,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53 WrapperNode [2021-11-20 06:55:53,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:53,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:53,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:55:53,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:55:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,222 INFO L137 Inliner]: procedures = 461, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-20 06:55:53,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:53,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:55:53,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:55:53,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:55:53,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:55:53,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:55:53,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:55:53,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:55:53,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (1/1) ... [2021-11-20 06:55:53,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:53,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:55:53,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:55:53,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:55:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:55:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:55:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:55:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:55:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:55:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:55:53,506 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:55:53,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:55:55,602 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:55:55,608 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:55:55,608 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:55:55,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:55 BoogieIcfgContainer [2021-11-20 06:55:55,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:55:55,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:55:55,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:55:55,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:55:55,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:55:52" (1/3) ... [2021-11-20 06:55:55,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:55, skipping insertion in model container [2021-11-20 06:55:55,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:53" (2/3) ... [2021-11-20 06:55:55,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:55, skipping insertion in model container [2021-11-20 06:55:55,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:55" (3/3) ... [2021-11-20 06:55:55,619 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2021-11-20 06:55:55,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:55:55,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:55:55,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:55:55,688 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:55:55,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:55:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:55:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 06:55:55,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:55,711 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:55,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:55:55,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:55,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1694693467, now seen corresponding path program 1 times [2021-11-20 06:55:55,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:55,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344268982] [2021-11-20 06:55:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:55,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:55,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:55,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:55:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:55,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:55:55,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-20 06:55:56,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-20 06:55:56,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:56,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344268982] [2021-11-20 06:55:56,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344268982] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:55:56,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:55:56,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-20 06:55:56,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099601236] [2021-11-20 06:55:56,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:55:56,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:55:56,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:56,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:55:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:55:56,170 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:55:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:56,189 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2021-11-20 06:55:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:55:56,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2021-11-20 06:55:56,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:56,198 INFO L225 Difference]: With dead ends: 31 [2021-11-20 06:55:56,198 INFO L226 Difference]: Without dead ends: 13 [2021-11-20 06:55:56,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:55:56,205 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:56,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:55:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-20 06:55:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 06:55:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:55:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-11-20 06:55:56,241 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 20 [2021-11-20 06:55:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:56,242 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-11-20 06:55:56,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:55:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-20 06:55:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 06:55:56,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:56,244 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:56,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:56,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:56,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:55:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:56,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1957438941, now seen corresponding path program 1 times [2021-11-20 06:55:56,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:56,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90602766] [2021-11-20 06:55:56,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:56,460 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:56,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:56,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:55:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:58,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 06:55:58,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:39,775 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from false [2021-11-20 06:56:41,797 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from true [2021-11-20 06:56:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:56:41,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:49,447 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.roundToIntegral roundTowardZero |c_ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |c_ULTIMATE.start_main_~d~0#1|))) is different from false [2021-11-20 06:57:00,631 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero |c_ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |c_ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2021-11-20 06:57:48,061 WARN L227 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:58:39,353 WARN L227 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:59:09,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from false [2021-11-20 06:59:11,478 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from true [2021-11-20 07:00:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 07:00:01,797 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:00:01,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90602766] [2021-11-20 07:00:01,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90602766] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:01,797 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:01,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 16 [2021-11-20 07:00:01,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476997118] [2021-11-20 07:00:01,798 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:01,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:00:01,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:00:01,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:00:01,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=97, Unknown=10, NotChecked=92, Total=240 [2021-11-20 07:00:01,801 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 16 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 11 states have internal predecessors, (19), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-20 07:00:03,845 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 07:00:39,896 WARN L227 SmtUtils]: Spent 17.35s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:00:41,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:42,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:24,253 WARN L227 SmtUtils]: Spent 21.98s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:01:25,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:26,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:53,905 WARN L227 SmtUtils]: Spent 13.36s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:01:55,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:58,075 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (let ((.cse0 (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (not .cse0)) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse0))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))))) is different from false [2021-11-20 07:01:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:58,099 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-20 07:01:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:01:58,099 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 11 states have internal predecessors, (19), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 20 [2021-11-20 07:01:58,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:58,100 INFO L225 Difference]: With dead ends: 13 [2021-11-20 07:01:58,100 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:01:58,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 157.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=24, NotChecked=198, Total=462 [2021-11-20 07:01:58,104 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:58,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 1 Unknown, 46 Unchecked, 9.0s Time] [2021-11-20 07:01:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:01:58,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:01:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:01:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:01:58,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-20 07:01:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:58,108 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:01:58,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 11 states have internal predecessors, (19), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-20 07:01:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:01:58,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:01:58,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:01:58,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-20 07:01:58,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:58,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:02:19,113 WARN L227 SmtUtils]: Spent 20.78s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 07:02:38,404 WARN L227 SmtUtils]: Spent 19.29s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 07:02:50,515 WARN L227 SmtUtils]: Spent 12.11s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 07:02:50,526 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:02:50,527 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:02:50,527 INFO L861 garLoopResultBuilder]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2021-11-20 07:02:50,527 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:02:50,527 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:02:50,528 INFO L858 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-11-20 07:02:50,528 INFO L854 garLoopResultBuilder]: At program point L1016(line 1016) the Hoare annotation is: (and (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775807 64))))) (not (fp.isNaN |ULTIMATE.start_main_~d~0#1|)) (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 07:02:50,528 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-11-20 07:02:50,529 INFO L854 garLoopResultBuilder]: At program point L1015(line 1015) the Hoare annotation is: (and (forall ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775807 64)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 07:02:50,529 INFO L854 garLoopResultBuilder]: At program point L1015-1(line 1015) the Hoare annotation is: (and (or (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (not (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv9223372036854775807 64))))) (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 07:02:50,529 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-11-20 07:02:50,529 INFO L858 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2021-11-20 07:02:50,530 INFO L861 garLoopResultBuilder]: At program point L1008-3(line 1008) the Hoare annotation is: true [2021-11-20 07:02:50,530 INFO L858 garLoopResultBuilder]: For program point L994-2(lines 993 995) no Hoare annotation was computed. [2021-11-20 07:02:50,530 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 993 995) the Hoare annotation is: true [2021-11-20 07:02:50,530 INFO L858 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2021-11-20 07:02:50,530 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 993 995) no Hoare annotation was computed. [2021-11-20 07:02:50,533 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 07:02:50,535 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:02:50,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:02:50 BoogieIcfgContainer [2021-11-20 07:02:50,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:02:50,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:02:50,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:02:50,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:02:50,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:55" (3/4) ... [2021-11-20 07:02:50,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:02:50,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 07:02:50,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-20 07:02:50,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:02:50,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:02:50,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:02:50,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:02:50,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:02:50,607 INFO L158 Benchmark]: Toolchain (without parser) took 418457.45ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 35.3MB in the end (delta: 22.1MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,608 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:02:50,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.91ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 57.2MB in the beginning and 76.4MB in the end (delta: -19.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.10ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,609 INFO L158 Benchmark]: Boogie Preprocessor took 54.53ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 72.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,610 INFO L158 Benchmark]: RCFGBuilder took 2331.26ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 63.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,610 INFO L158 Benchmark]: TraceAbstraction took 414933.39ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 38.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,611 INFO L158 Benchmark]: Witness Printer took 59.87ms. Allocated memory is still 98.6MB. Free memory was 38.4MB in the beginning and 35.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:02:50,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.91ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 57.2MB in the beginning and 76.4MB in the end (delta: -19.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.10ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.53ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 72.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2331.26ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 63.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 414933.39ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 38.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 59.87ms. Allocated memory is still 98.6MB. Free memory was 38.4MB in the beginning and 35.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 414.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 116.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 52.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 46 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 157.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 91 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 52.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 243.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 7 QuantifiedInterpolants, 412 SizeOfPredicates, 9 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 44/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 07:02:50,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0816bd9b-84a7-4b7f-b3b9-eb430196729d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE