./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:25:55,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:25:55,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:25:55,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:25:55,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:25:55,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:25:55,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:25:55,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:25:55,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:25:55,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:25:55,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:25:55,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:25:55,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:25:55,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:25:55,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:25:55,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:25:55,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:25:55,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:25:55,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:25:55,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:25:55,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:25:55,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:25:55,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:25:55,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:25:55,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:25:55,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:25:55,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:25:55,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:25:55,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:25:55,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:25:55,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:25:55,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:25:55,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:25:55,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:25:55,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:25:55,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:25:55,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:25:55,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:25:55,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:25:55,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:25:55,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:25:55,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:25:55,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:25:55,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:25:55,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:25:55,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:25:55,344 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:25:55,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:25:55,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:25:55,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:25:55,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:25:55,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:25:55,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:25:55,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:25:55,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:25:55,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:25:55,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:25:55,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:25:55,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:25:55,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:25:55,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:25:55,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:25:55,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:25:55,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:25:55,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:25:55,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:25:55,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:25:55,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:25:55,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:25:55,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:25:55,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:25:55,350 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-20 00:25:55,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:25:55,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:25:55,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:25:55,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:25:55,573 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:25:55,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-20 00:25:55,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a48cac3ef/52341a178fb0449fbe2d4dedcd49fe96/FLAG9a271b879 [2020-10-20 00:25:56,245 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:25:56,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-20 00:25:56,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a48cac3ef/52341a178fb0449fbe2d4dedcd49fe96/FLAG9a271b879 [2020-10-20 00:25:56,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a48cac3ef/52341a178fb0449fbe2d4dedcd49fe96 [2020-10-20 00:25:56,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:25:56,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:25:56,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:25:56,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:25:56,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:25:56,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:56" (1/1) ... [2020-10-20 00:25:56,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:25:56, skipping insertion in model container [2020-10-20 00:25:56,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:56" (1/1) ... [2020-10-20 00:25:56,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:25:56,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:25:57,173 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:2342) 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.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 00:25:57,181 INFO L168 Benchmark]: Toolchain (without parser) took 611.45 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 17.3 MB in the beginning and 14.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:57,182 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 31.5 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:25:57,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.10 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 16.3 MB in the beginning and 14.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:57,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 31.5 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 599.10 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 16.3 MB in the beginning and 14.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 00:25:59,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:25:59,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:25:59,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:25:59,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:25:59,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:25:59,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:25:59,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:25:59,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:25:59,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:25:59,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:25:59,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:25:59,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:25:59,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:25:59,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:25:59,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:25:59,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:25:59,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:25:59,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:25:59,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:25:59,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:25:59,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:25:59,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:25:59,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:25:59,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:25:59,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:25:59,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:25:59,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:25:59,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:25:59,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:25:59,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:25:59,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:25:59,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:25:59,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:25:59,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:25:59,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:25:59,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:25:59,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:25:59,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:25:59,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:25:59,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:25:59,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:25:59,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:25:59,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:25:59,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:25:59,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:25:59,315 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:25:59,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:25:59,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:25:59,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:25:59,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:25:59,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:25:59,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:25:59,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:25:59,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:25:59,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:25:59,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:25:59,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:25:59,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:25:59,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:25:59,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:25:59,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:25:59,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:25:59,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:25:59,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:25:59,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:25:59,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:25:59,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:25:59,320 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:25:59,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:25:59,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:25:59,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:25:59,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:25:59,322 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-20 00:25:59,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:25:59,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:25:59,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:25:59,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:25:59,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:25:59,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-20 00:25:59,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01dcce90/91bb237f9dd3482a90d6bf669f6e0b75/FLAG8c9172552 [2020-10-20 00:26:00,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:00,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-20 00:26:00,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01dcce90/91bb237f9dd3482a90d6bf669f6e0b75/FLAG8c9172552 [2020-10-20 00:26:00,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01dcce90/91bb237f9dd3482a90d6bf669f6e0b75 [2020-10-20 00:26:00,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:00,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:00,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:00,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:00,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:00,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:00" (1/1) ... [2020-10-20 00:26:00,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67056886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:00, skipping insertion in model container [2020-10-20 00:26:00,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:00" (1/1) ... [2020-10-20 00:26:00,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:00,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:01,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:01,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:01,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:01,525 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:01,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01 WrapperNode [2020-10-20 00:26:01,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:01,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:01,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:01,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:01,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:01,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:01,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:01,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:01,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... [2020-10-20 00:26:01,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:01,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:01,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:01,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:01,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:02,849 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:02,849 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-20 00:26:02,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:02 BoogieIcfgContainer [2020-10-20 00:26:02,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:02,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:02,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:02,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:02,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:00" (1/3) ... [2020-10-20 00:26:02,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483aba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:02, skipping insertion in model container [2020-10-20 00:26:02,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:01" (2/3) ... [2020-10-20 00:26:02,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483aba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:02, skipping insertion in model container [2020-10-20 00:26:02,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:02" (3/3) ... [2020-10-20 00:26:02,862 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2020-10-20 00:26:02,875 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:02,882 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:02,894 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:02,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:02,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:02,918 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:02,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:02,918 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:02,918 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:02,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:02,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-20 00:26:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:02,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:02,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:02,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:02,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1657914994, now seen corresponding path program 1 times [2020-10-20 00:26:02,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:02,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365029517] [2020-10-20 00:26:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:26:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:03,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:26:03,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:03,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:03,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365029517] [2020-10-20 00:26:03,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:03,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:26:03,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267764894] [2020-10-20 00:26:03,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:03,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:03,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:03,173 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-10-20 00:26:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:03,192 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2020-10-20 00:26:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:03,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-20 00:26:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:03,204 INFO L225 Difference]: With dead ends: 32 [2020-10-20 00:26:03,204 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 00:26:03,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 00:26:03,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-20 00:26:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-20 00:26:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-20 00:26:03,243 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-10-20 00:26:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:03,244 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-20 00:26:03,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-20 00:26:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:03,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:03,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:03,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:26:03,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:03,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:03,461 INFO L82 PathProgramCache]: Analyzing trace with hash 512799660, now seen corresponding path program 1 times [2020-10-20 00:26:03,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:03,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626968275] [2020-10-20 00:26:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:26:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:05,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 00:26:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:05,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626968275] [2020-10-20 00:26:05,397 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:26:05,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [795000451] [2020-10-20 00:26:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 00:26:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:07,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 00:26:07,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:07,948 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:26:07,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042491803] [2020-10-20 00:26:07,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:26:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:33,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 00:26:33,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:34,003 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:26:34,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:34,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 00:26:34,004 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 00:26:34,004 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:26:34,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:26:34,633 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 00:26:34,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:34 BoogieIcfgContainer [2020-10-20 00:26:34,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:34,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:34,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:34,635 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:34,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:02" (3/4) ... [2020-10-20 00:26:34,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:26:34,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:34,644 INFO L168 Benchmark]: Toolchain (without parser) took 34170.70 ms. Allocated memory was 38.8 MB in the beginning and 59.2 MB in the end (delta: 20.4 MB). Free memory was 11.1 MB in the beginning and 31.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 307.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,645 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 38.3 MB. Free memory was 16.5 MB in the beginning and 16.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1048.89 ms. Allocated memory was 38.8 MB in the beginning and 54.0 MB in the end (delta: 15.2 MB). Free memory was 10.2 MB in the beginning and 14.3 MB in the end (delta: -4.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.70 ms. Allocated memory is still 54.0 MB. Free memory was 14.3 MB in the beginning and 11.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,647 INFO L168 Benchmark]: Boogie Preprocessor took 35.07 ms. Allocated memory is still 54.0 MB. Free memory was 11.3 MB in the beginning and 35.8 MB in the end (delta: -24.5 MB). Peak memory consumption was 69.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,648 INFO L168 Benchmark]: RCFGBuilder took 1192.83 ms. Allocated memory is still 54.0 MB. Free memory was 35.8 MB in the beginning and 21.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,649 INFO L168 Benchmark]: TraceAbstraction took 31780.92 ms. Allocated memory was 54.0 MB in the beginning and 59.2 MB in the end (delta: 5.2 MB). Free memory was 21.3 MB in the beginning and 31.8 MB in the end (delta: -10.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:26:34,650 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 59.2 MB. Free memory was 31.8 MB in the beginning and 31.3 MB in the end (delta: 576.1 kB). Peak memory consumption was 576.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:34,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 38.3 MB. Free memory was 16.5 MB in the beginning and 16.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1048.89 ms. Allocated memory was 38.8 MB in the beginning and 54.0 MB in the end (delta: 15.2 MB). Free memory was 10.2 MB in the beginning and 14.3 MB in the end (delta: -4.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 94.70 ms. Allocated memory is still 54.0 MB. Free memory was 14.3 MB in the beginning and 11.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.07 ms. Allocated memory is still 54.0 MB. Free memory was 11.3 MB in the beginning and 35.8 MB in the end (delta: -24.5 MB). Peak memory consumption was 69.9 kB. Max. memory is 14.3 GB. * RCFGBuilder took 1192.83 ms. Allocated memory is still 54.0 MB. Free memory was 35.8 MB in the beginning and 21.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 31780.92 ms. Allocated memory was 54.0 MB in the beginning and 59.2 MB in the end (delta: 5.2 MB). Free memory was 21.3 MB in the beginning and 31.8 MB in the end (delta: -10.6 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.96 ms. Allocated memory is still 59.2 MB. Free memory was 31.8 MB in the beginning and 31.3 MB in the end (delta: 576.1 kB). Peak memory consumption was 576.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1007]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1014] double d = __VERIFIER_nondet_double(); [L994] COND FALSE !(!cond) [L994] COND FALSE !(!cond) [L994] COND FALSE !(!cond) [L1020] double d1 = (long long) d; [L1008] COND TRUE !(cond) [L1007] COND FALSE !(0) [L1007] __assert_fail ("0", "trunc_nondet_2.c", 11, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 31.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 1 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...