./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c -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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 .................................................................................................................................................................... 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c -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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:24:24,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:24:24,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:24:24,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:24:24,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:24:24,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:24:24,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:24:24,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:24:24,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:24:24,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:24:24,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:24:24,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:24:24,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:24:24,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:24:24,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:24:24,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:24:24,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:24:24,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:24:24,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:24:24,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:24:24,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:24:24,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:24:24,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:24:24,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:24:24,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:24:24,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:24:24,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:24:24,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:24:24,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:24:24,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:24:24,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:24:24,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:24:24,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:24:24,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:24:24,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:24:24,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:24:24,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:24:24,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:24:24,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:24:24,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:24:24,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:24:24,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:24:24,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:24:24,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:24:24,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:24:24,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:24:24,289 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:24:24,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:24:24,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:24:24,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:24:24,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:24:24,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:24:24,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:24:24,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:24:24,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:24:24,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:24:24,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:24:24,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:24:24,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:24:24,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:24:24,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:24:24,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:24:24,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:24:24,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:24:24,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:24:24,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:24:24,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:24:24,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:24:24,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:24:24,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:24:24,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:24:24,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2020-12-02 15:24:24,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:24:24,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:24:24,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:24:24,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:24:24,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:24:24,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c [2020-12-02 15:24:24,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29721f25e/0b7e4e8156244fed836dbb6ee84e1029/FLAGb7e2b1d65 [2020-12-02 15:24:25,581 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:24:25,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c [2020-12-02 15:24:25,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29721f25e/0b7e4e8156244fed836dbb6ee84e1029/FLAGb7e2b1d65 [2020-12-02 15:24:25,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29721f25e/0b7e4e8156244fed836dbb6ee84e1029 [2020-12-02 15:24:25,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:24:25,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:24:25,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:24:25,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:24:25,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:24:25,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:25" (1/1) ... [2020-12-02 15:24:25,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25, skipping insertion in model container [2020-12-02 15:24:25,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:25" (1/1) ... [2020-12-02 15:24:25,980 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:24:26,023 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:24:26,298 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:358) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1970) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) 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.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) 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:1422) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:24:26,305 INFO L168 Benchmark]: Toolchain (without parser) took 383.87 ms. Allocated memory is still 50.3 MB. Free memory was 34.5 MB in the beginning and 22.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:24:26,305 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 41.9 MB. Free memory is still 27.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:24:26,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.81 ms. Allocated memory is still 50.3 MB. Free memory was 34.2 MB in the beginning and 22.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:24:26,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 41.9 MB. Free memory is still 27.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.81 ms. Allocated memory is still 50.3 MB. Free memory was 34.2 MB in the beginning and 22.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:24:29,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:24:29,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:24:29,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:24:29,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:24:29,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:24:29,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:24:29,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:24:29,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:24:29,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:24:29,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:24:29,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:24:29,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:24:29,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:24:29,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:24:29,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:24:29,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:24:29,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:24:29,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:24:29,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:24:29,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:24:29,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:24:29,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:24:29,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:24:29,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:24:29,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:24:29,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:24:29,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:24:29,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:24:29,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:24:29,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:24:29,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:24:29,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:24:29,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:24:29,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:24:29,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:24:29,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:24:29,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:24:29,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:24:29,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:24:29,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:24:29,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:24:29,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:24:29,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:24:29,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:24:29,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:24:29,258 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:24:29,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:24:29,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:24:29,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:24:29,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:24:29,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:24:29,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:24:29,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:24:29,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:24:29,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:24:29,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:24:29,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:24:29,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:24:29,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:24:29,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:24:29,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:24:29,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:24:29,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:24:29,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:24:29,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:24:29,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:24:29,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:24:29,266 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:24:29,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:24:29,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:24:29,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:24:29,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:24:29,268 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2020-12-02 15:24:29,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:24:29,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:24:29,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:24:29,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:24:29,791 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:24:29,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c [2020-12-02 15:24:29,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffed9220/dc81000b9d2241dcae181a595ead62df/FLAG69239f569 [2020-12-02 15:24:30,643 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:24:30,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c [2020-12-02 15:24:30,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffed9220/dc81000b9d2241dcae181a595ead62df/FLAG69239f569 [2020-12-02 15:24:30,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffed9220/dc81000b9d2241dcae181a595ead62df [2020-12-02 15:24:30,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:24:30,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:24:30,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:24:30,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:24:30,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:24:30,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:30" (1/1) ... [2020-12-02 15:24:30,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435d2fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30, skipping insertion in model container [2020-12-02 15:24:30,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:30" (1/1) ... [2020-12-02 15:24:30,968 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:24:31,040 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:24:31,446 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c[13947,13960] [2020-12-02 15:24:31,450 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:24:31,470 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:24:31,690 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0873b.c[13947,13960] [2020-12-02 15:24:31,691 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:24:31,725 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:24:31,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31 WrapperNode [2020-12-02 15:24:31,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:24:31,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:24:31,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:24:31,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:24:31,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:24:31,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:24:31,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:24:31,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:24:31,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:31,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:32,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:32,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (1/1) ... [2020-12-02 15:24:32,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:24:32,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:24:32,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:24:32,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:24:32,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (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 [2020-12-02 15:24:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:24:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:24:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:24:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:24:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:24:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 15:24:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:24:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:24:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:24:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:24:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:25:51,840 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:25:51,841 INFO L298 CfgBuilder]: Removed 88 assume(true) statements. [2020-12-02 15:25:51,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:25:51 BoogieIcfgContainer [2020-12-02 15:25:51,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:25:51,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:25:51,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:25:51,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:25:51,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:24:30" (1/3) ... [2020-12-02 15:25:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55547817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:25:51, skipping insertion in model container [2020-12-02 15:25:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:31" (2/3) ... [2020-12-02 15:25:51,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55547817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:25:51, skipping insertion in model container [2020-12-02 15:25:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:25:51" (3/3) ... [2020-12-02 15:25:51,853 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b.c [2020-12-02 15:25:51,868 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:25:51,873 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:25:51,886 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:25:51,916 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:25:51,917 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:25:51,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:25:51,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:25:51,917 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:25:51,917 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:25:51,918 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:25:51,918 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:25:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-12-02 15:25:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:25:51,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:25:51,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:25:51,946 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:25:51,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:25:51,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2020-12-02 15:25:51,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:25:51,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84478164] [2020-12-02 15:25:51,986 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 [2020-12-02 15:25:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:25:53,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:25:53,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:25:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:25:53,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:25:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:25:53,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84478164] [2020-12-02 15:25:53,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:25:53,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:25:53,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876392626] [2020-12-02 15:25:53,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:25:53,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:25:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:25:53,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:25:53,499 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2020-12-02 15:25:53,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:25:53,547 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2020-12-02 15:25:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:25:53,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:25:53,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:25:53,563 INFO L225 Difference]: With dead ends: 418 [2020-12-02 15:25:53,563 INFO L226 Difference]: Without dead ends: 207 [2020-12-02 15:25:53,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:25:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-02 15:25:53,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-12-02 15:25:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-02 15:25:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2020-12-02 15:25:53,632 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2020-12-02 15:25:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:25:53,632 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2020-12-02 15:25:53,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:25:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2020-12-02 15:25:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:25:53,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:25:53,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:25:53,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:25:53,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:25:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:25:53,849 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2020-12-02 15:25:53,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:25:53,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620678240] [2020-12-02 15:25:53,851 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 [2020-12-02 15:25:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:25:55,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:25:55,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:26:00,365 WARN L197 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:26:10,134 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 15:26:25,086 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 37 [2020-12-02 15:26:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:26:25,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:26:44,628 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_pow_~ly~0 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_pow_~y_8 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet299_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet298_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet297_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet297_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet298_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet299_6|)))) (or (not (= (fp.neg .cse0) .cse1)) (not (= .cse2 (_ +zero 11 53))) (not (= (_ bv0 32) (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start___ieee754_pow_~y_8)) ULTIMATE.start___ieee754_pow_~ly~0))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= (fp ((_ extract 63 63) v_ULTIMATE.start___ieee754_pow_~y_8) ((_ extract 62 52) v_ULTIMATE.start___ieee754_pow_~y_8) ((_ extract 51 0) v_ULTIMATE.start___ieee754_pow_~y_8)) (fp.div c_~CRM .cse1 .cse2)))))) is different from true [2020-12-02 15:26:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:26:44,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620678240] [2020-12-02 15:26:44,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:26:44,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:26:44,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563292082] [2020-12-02 15:26:44,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 15:26:44,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:26:44,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 15:26:44,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=47, Unknown=9, NotChecked=14, Total=90 [2020-12-02 15:26:44,634 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 10 states. [2020-12-02 15:27:06,515 WARN L197 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 15:27:15,422 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet299_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet298_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet297_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet299_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet297_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet298_6|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_pow_~y) ((_ extract 62 52) c_ULTIMATE.start___ieee754_pow_~y) ((_ extract 51 0) c_ULTIMATE.start___ieee754_pow_~y))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2) (= .cse1 (_ +zero 11 53)) (= (fp.neg .cse2) .cse0)))) (= roundNearestTiesToEven c_~CRM) (exists ((ULTIMATE.start___ieee754_pow_~y (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet299_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet298_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet297_6| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet299_6|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet297_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet298_6|)))) (and (= (fp.div roundNearestTiesToEven .cse3 .cse4) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_pow_~y) ((_ extract 62 52) ULTIMATE.start___ieee754_pow_~y) ((_ extract 51 0) ULTIMATE.start___ieee754_pow_~y))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5) (= ((_ extract 63 32) ULTIMATE.start___ieee754_pow_~y) c_ULTIMATE.start___ieee754_pow_~hy~1) (= .cse4 (_ +zero 11 53)) (= (fp.neg .cse5) .cse3))))) is different from false [2020-12-02 15:27:21,342 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start___ieee754_pow_~y (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet299_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet298_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet297_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet299_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet297_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet298_6|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_pow_~y) ((_ extract 62 52) ULTIMATE.start___ieee754_pow_~y) ((_ extract 51 0) ULTIMATE.start___ieee754_pow_~y))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2) (= .cse1 (_ +zero 11 53)) (= (fp.neg .cse2) .cse0) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_pow_~y)) c_ULTIMATE.start___ieee754_pow_~iy~0)))) (exists ((ULTIMATE.start___ieee754_pow_~y (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet299_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet298_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet297_6| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet299_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet299_6|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet297_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet297_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet298_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet298_6|)))) (and (= (fp.div roundNearestTiesToEven .cse3 .cse4) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_pow_~y) ((_ extract 62 52) ULTIMATE.start___ieee754_pow_~y) ((_ extract 51 0) ULTIMATE.start___ieee754_pow_~y))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5) (= ((_ extract 63 32) ULTIMATE.start___ieee754_pow_~y) c_ULTIMATE.start___ieee754_pow_~hy~1) (= .cse4 (_ +zero 11 53)) (= (fp.neg .cse5) .cse3))))) is different from false [2020-12-02 15:28:17,975 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 15:32:02,659 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:32:02,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:32:02,864 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:759) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Broken pipe at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:254) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2020-12-02 15:32:02,872 INFO L168 Benchmark]: Toolchain (without parser) took 451929.28 ms. Allocated memory was 46.1 MB in the beginning and 79.7 MB in the end (delta: 33.6 MB). Free memory was 29.3 MB in the beginning and 22.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,872 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:02,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.86 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 18.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.48 ms. Allocated memory is still 46.1 MB. Free memory was 18.6 MB in the beginning and 19.8 MB in the end (delta: -1.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,876 INFO L168 Benchmark]: Boogie Preprocessor took 180.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.8 MB in the beginning and 30.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,877 INFO L168 Benchmark]: RCFGBuilder took 79795.84 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 30.4 MB in the end (delta: -281.7 kB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,878 INFO L168 Benchmark]: TraceAbstraction took 371024.93 ms. Allocated memory is still 79.7 MB. Free memory was 29.9 MB in the beginning and 22.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:02,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 780.86 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 18.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.48 ms. Allocated memory is still 46.1 MB. Free memory was 18.6 MB in the beginning and 19.8 MB in the end (delta: -1.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.8 MB in the beginning and 30.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 79795.84 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 30.4 MB in the end (delta: -281.7 kB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 371024.93 ms. Allocated memory is still 79.7 MB. Free memory was 29.9 MB in the beginning and 22.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...