./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e6aca64c402cd41a7e4d9ea27be751242d3021b ................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e6aca64c402cd41a7e4d9ea27be751242d3021b .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:48:39,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:48:39,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:48:39,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:48:39,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:48:39,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:48:39,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:48:39,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:48:39,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:48:39,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:48:39,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:48:39,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:48:39,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:48:39,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:48:39,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:48:39,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:48:39,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:48:39,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:48:39,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:48:39,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:48:39,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:48:39,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:48:39,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:48:39,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:48:39,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:48:39,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:48:39,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:48:39,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:48:39,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:48:39,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:48:39,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:48:39,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:48:39,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:48:39,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:48:39,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:48:39,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:48:39,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:48:39,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:48:39,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:48:39,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:48:39,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:48:39,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:48:39,263 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:48:39,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:48:39,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:48:39,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:48:39,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:48:39,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:48:39,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:48:39,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:39,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:48:39,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2019-12-07 16:48:39,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:48:39,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:48:39,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:48:39,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:48:39,384 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:48:39,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-12-07 16:48:39,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/637252ab7/5d6ae60ed6e7409eb82bdcc8d4f36c43/FLAG35b8a695b [2019-12-07 16:48:39,906 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:48:39,906 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-12-07 16:48:39,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/637252ab7/5d6ae60ed6e7409eb82bdcc8d4f36c43/FLAG35b8a695b [2019-12-07 16:48:39,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/637252ab7/5d6ae60ed6e7409eb82bdcc8d4f36c43 [2019-12-07 16:48:39,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:48:39,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:48:39,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:39,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:48:39,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:48:39,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:39" (1/1) ... [2019-12-07 16:48:39,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e702d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:39, skipping insertion in model container [2019-12-07 16:48:39,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:39" (1/1) ... [2019-12-07 16:48:39,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:48:39,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:48:40,282 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.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) 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:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1064) 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:2326) 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:2326) 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:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1624) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) 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:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1336) 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:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 16:48:40,286 INFO L168 Benchmark]: Toolchain (without parser) took 359.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:48:40,286 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:48:40,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:48:40,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 18.2 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: 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... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:48:41,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:48:41,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:48:41,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:48:41,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:48:41,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:48:41,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:48:41,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:48:41,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:48:41,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:48:41,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:48:41,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:48:41,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:48:41,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:48:41,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:48:41,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:48:41,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:48:41,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:48:41,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:48:41,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:48:41,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:48:41,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:48:41,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:48:41,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:48:41,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:48:41,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:48:41,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:48:41,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:48:41,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:48:41,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:48:41,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:48:41,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:48:41,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:48:41,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:48:41,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:48:41,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:48:41,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:48:41,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:48:41,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:48:41,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:48:41,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:48:41,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 16:48:41,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:48:41,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:48:41,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:48:41,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:48:41,434 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:48:41,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:48:41,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:48:41,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:48:41,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:48:41,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:48:41,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:48:41,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:48:41,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:48:41,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:48:41,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:48:41,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:48:41,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:48:41,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:48:41,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:48:41,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:48:41,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:48:41,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:48:41,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:41,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:48:41,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:48:41,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:48:41,440 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2019-12-07 16:48:41,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:48:41,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:48:41,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:48:41,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:48:41,638 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:48:41,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-12-07 16:48:41,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/f492cef36/718797813d4b421fa33100b079e78b06/FLAG97e9b318d [2019-12-07 16:48:42,153 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:48:42,154 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-12-07 16:48:42,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/f492cef36/718797813d4b421fa33100b079e78b06/FLAG97e9b318d [2019-12-07 16:48:42,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/data/f492cef36/718797813d4b421fa33100b079e78b06 [2019-12-07 16:48:42,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:48:42,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:48:42,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:42,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:48:42,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:48:42,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:42" (1/1) ... [2019-12-07 16:48:42,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5031311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:42, skipping insertion in model container [2019-12-07 16:48:42,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:42" (1/1) ... [2019-12-07 16:48:42,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:48:42,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:48:42,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:42,810 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:48:42,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:43,066 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:48:43,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43 WrapperNode [2019-12-07 16:48:43,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:43,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:48:43,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:48:43,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:48:43,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:48:43,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:48:43,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:48:43,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:48:43,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... [2019-12-07 16:48:43,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:48:43,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:48:43,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:48:43,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:48:43,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:48:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:48:43,636 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:48:43,636 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 16:48:43,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:48:43 BoogieIcfgContainer [2019-12-07 16:48:43,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:48:43,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:48:43,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:48:43,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:48:43,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:48:42" (1/3) ... [2019-12-07 16:48:43,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2d028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:48:43, skipping insertion in model container [2019-12-07 16:48:43,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:43" (2/3) ... [2019-12-07 16:48:43,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2d028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:48:43, skipping insertion in model container [2019-12-07 16:48:43,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:48:43" (3/3) ... [2019-12-07 16:48:43,644 INFO L109 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2019-12-07 16:48:43,653 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:48:43,658 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:48:43,669 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:48:43,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:48:43,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:48:43,685 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:48:43,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:48:43,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:48:43,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:48:43,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:48:43,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:48:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 16:48:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 16:48:43,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:48:43,698 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 16:48:43,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:48:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:48:43,701 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-12-07 16:48:43,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:48:43,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004419397] [2019-12-07 16:48:43,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:48:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:48:45,564 WARN L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:48:45,567 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:48:45,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:49:03,811 WARN L192 SmtUtils]: Spent 10.79 s on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 16:49:09,904 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.isInfinite ULTIMATE.start_main_~d~0)) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (not (fp.isNaN ULTIMATE.start_main_~d~0)))) is different from false [2019-12-07 16:49:11,909 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.isInfinite ULTIMATE.start_main_~d~0)) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (not (fp.isNaN ULTIMATE.start_main_~d~0)))) is different from true [2019-12-07 16:49:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:11,911 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:15,960 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) is different from false [2019-12-07 16:49:17,989 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) is different from true [2019-12-07 16:49:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:17,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004419397] [2019-12-07 16:49:17,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:17,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2019-12-07 16:49:17,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313126929] [2019-12-07 16:49:17,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 16:49:17,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:49:18,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:49:18,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=11, Unknown=6, NotChecked=14, Total=42 [2019-12-07 16:49:18,006 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 7 states. [2019-12-07 16:49:20,021 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 16:49:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:20,862 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 16:49:20,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:49:20,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 4 [2019-12-07 16:49:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:20,868 INFO L225 Difference]: With dead ends: 13 [2019-12-07 16:49:20,868 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:49:20,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=17, Invalid=18, Unknown=7, NotChecked=30, Total=72 [2019-12-07 16:49:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:49:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:49:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:49:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:49:20,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 16:49:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:20,888 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:49:20,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 16:49:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:49:20,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:49:21,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:49:21,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:49:21,134 INFO L246 CegarLoopResult]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-12-07 16:49:21,134 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:49:21,134 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:49:21,134 INFO L242 CegarLoopResult]: At program point L994-3(line 994) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 16:49:21,134 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:49:21,134 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:49:21,135 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-12-07 16:49:21,135 INFO L242 CegarLoopResult]: At program point L1009(lines 998 1010) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-12-07 16:49:21,135 INFO L246 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2019-12-07 16:49:21,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:49:21 BoogieIcfgContainer [2019-12-07 16:49:21,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:49:21,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:49:21,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:49:21,145 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:49:21,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:48:43" (3/4) ... [2019-12-07 16:49:21,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:49:21,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 16:49:21,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:49:21,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:49:21,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_21504e2b-9d8f-4697-8e6f-6d09e9b05bd9/bin/uautomizer/witness.graphml [2019-12-07 16:49:21,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:49:21,182 INFO L168 Benchmark]: Toolchain (without parser) took 38712.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 938.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:21,182 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:21,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:21,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:21,183 INFO L168 Benchmark]: Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 996.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:21,184 INFO L168 Benchmark]: RCFGBuilder took 518.22 ms. Allocated memory is still 1.1 GB. Free memory was 996.6 MB in the beginning and 978.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:21,184 INFO L168 Benchmark]: TraceAbstraction took 37506.38 ms. Allocated memory is still 1.1 GB. Free memory was 978.8 MB in the beginning and 938.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:21,184 INFO L168 Benchmark]: Witness Printer took 35.93 ms. Allocated memory is still 1.1 GB. Free memory is still 938.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:21,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 996.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 518.22 ms. Allocated memory is still 1.1 GB. Free memory was 996.6 MB in the beginning and 978.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37506.38 ms. Allocated memory is still 1.1 GB. Free memory was 978.8 MB in the beginning and 938.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.93 ms. Allocated memory is still 1.1 GB. Free memory is still 938.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 37.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 3 QuantifiedInterpolants, 303 SizeOfPredicates, 5 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...