./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/rint.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/floats-esbmc-regression/rint.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 --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 24195858fe99a26316e7c38e61598aafdb4b380e3cd36e11fd34d1bc33016c49 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:01:58,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:01:58,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 18:01:58,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:01:58,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:01:58,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:01:58,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:01:58,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:01:58,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:01:58,804 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:01:58,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:01:58,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:01:58,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:01:58,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:01:58,806 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:01:58,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:01:58,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:01:58,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:01:58,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 18:01:58,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:01:58,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:01:58,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:01:58,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:01:58,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:01:58,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:01:58,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:01:58,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:01:58,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:01:58,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:01:58,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:01:58,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:01:58,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:01:58,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:01:58,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:01:58,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:01:58,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:01:58,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 18:01:58,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 18:01:58,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:01:58,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:01:58,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:01:58,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:01:58,819 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24195858fe99a26316e7c38e61598aafdb4b380e3cd36e11fd34d1bc33016c49 [2024-11-11 18:01:59,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:01:59,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:01:59,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:01:59,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:01:59,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:01:59,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rint.i [2024-11-11 18:02:00,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:02:01,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:02:01,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rint.i [2024-11-11 18:02:01,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be381a981/4be98c81e57049c59ce06b6df06ba7ed/FLAGa56960902 [2024-11-11 18:02:01,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be381a981/4be98c81e57049c59ce06b6df06ba7ed [2024-11-11 18:02:01,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:02:01,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:02:01,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:02:01,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:02:01,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:02:01,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:02:01" (1/1) ... [2024-11-11 18:02:01,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541e80e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:01, skipping insertion in model container [2024-11-11 18:02:01,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:02:01" (1/1) ... [2024-11-11 18:02:01,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:02:01,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rint.i[38063,38076] [2024-11-11 18:02:01,747 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:736) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1165) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1555) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1165) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3506) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2498) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) 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:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-11 18:02:01,753 INFO L158 Benchmark]: Toolchain (without parser) took 629.14ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 100.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-11 18:02:01,755 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:02:01,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.11ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 100.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-11 18:02:01,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.11ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 100.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:736) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/floats-esbmc-regression/rint.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 --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 24195858fe99a26316e7c38e61598aafdb4b380e3cd36e11fd34d1bc33016c49 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:02:04,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:02:04,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-11 18:02:04,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:02:04,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:02:04,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:02:04,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:02:04,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:02:04,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:02:04,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:02:04,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:02:04,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:02:04,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:02:04,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:02:04,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:02:04,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:02:04,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:02:04,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:02:04,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:02:04,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:02:04,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:02:04,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:02:04,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:02:04,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 18:02:04,160 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 18:02:04,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:02:04,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 18:02:04,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:02:04,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:02:04,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:02:04,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:02:04,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:02:04,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:02:04,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:02:04,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:02:04,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:02:04,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:02:04,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:02:04,166 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 18:02:04,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 18:02:04,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:02:04,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:02:04,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:02:04,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:02:04,168 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24195858fe99a26316e7c38e61598aafdb4b380e3cd36e11fd34d1bc33016c49 [2024-11-11 18:02:04,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:02:04,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:02:04,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:02:04,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:02:04,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:02:04,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rint.i [2024-11-11 18:02:06,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:02:06,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:02:06,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rint.i [2024-11-11 18:02:06,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edc30819/d53ac38e7e7343229e398cba40446ea9/FLAGffca5fe1d [2024-11-11 18:02:06,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edc30819/d53ac38e7e7343229e398cba40446ea9 [2024-11-11 18:02:06,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:02:06,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:02:06,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:02:06,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:02:06,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:02:06,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:02:06" (1/1) ... [2024-11-11 18:02:06,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac1617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:06, skipping insertion in model container [2024-11-11 18:02:06,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:02:06" (1/1) ... [2024-11-11 18:02:06,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:02:07,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rint.i[38063,38076] [2024-11-11 18:02:07,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:02:07,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 18:02:07,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rint.i[38063,38076] [2024-11-11 18:02:07,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:02:07,476 INFO L204 MainTranslator]: Completed translation [2024-11-11 18:02:07,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07 WrapperNode [2024-11-11 18:02:07,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 18:02:07,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 18:02:07,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 18:02:07,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 18:02:07,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,536 INFO L138 Inliner]: procedures = 463, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2024-11-11 18:02:07,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 18:02:07,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 18:02:07,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 18:02:07,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 18:02:07,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,576 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 7, 6]. 47 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 7, 4]. The 0 writes are split as follows [0, 0, 0]. [2024-11-11 18:02:07,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 18:02:07,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 18:02:07,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 18:02:07,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 18:02:07,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (1/1) ... [2024-11-11 18:02:07,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:02:07,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 18:02:07,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 18:02:07,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 18:02:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-11 18:02:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-11 18:02:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 18:02:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-11 18:02:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 18:02:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-11-11 18:02:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-11-11 18:02:07,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 18:02:07,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 18:02:08,127 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-11 18:02:08,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 18:02:08,139 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 18:02:08,140 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 18:02:08,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:02:08 BoogieIcfgContainer [2024-11-11 18:02:08,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 18:02:08,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 18:02:08,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 18:02:08,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 18:02:08,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:02:06" (1/3) ... [2024-11-11 18:02:08,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7238f869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:02:08, skipping insertion in model container [2024-11-11 18:02:08,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:02:07" (2/3) ... [2024-11-11 18:02:08,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7238f869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:02:08, skipping insertion in model container [2024-11-11 18:02:08,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:02:08" (3/3) ... [2024-11-11 18:02:08,149 INFO L112 eAbstractionObserver]: Analyzing ICFG rint.i [2024-11-11 18:02:08,166 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 18:02:08,166 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 18:02:08,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 18:02:08,244 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58b37a90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 18:02:08,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 18:02:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 43 states have internal predecessors, (50), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-11 18:02:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-11 18:02:08,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:08,256 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:08,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:08,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash 60099875, now seen corresponding path program 1 times [2024-11-11 18:02:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:08,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377871766] [2024-11-11 18:02:08,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:08,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:08,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-11 18:02:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:08,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 18:02:08,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:08,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:08,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:08,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377871766] [2024-11-11 18:02:08,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377871766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:08,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:08,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 18:02:08,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079405431] [2024-11-11 18:02:08,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:08,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 18:02:08,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:08,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 18:02:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 18:02:08,598 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 43 states have internal predecessors, (50), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:08,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:08,875 INFO L93 Difference]: Finished difference Result 143 states and 238 transitions. [2024-11-11 18:02:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:02:08,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-11 18:02:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:08,886 INFO L225 Difference]: With dead ends: 143 [2024-11-11 18:02:08,886 INFO L226 Difference]: Without dead ends: 78 [2024-11-11 18:02:08,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 18:02:08,896 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 12 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:08,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 388 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 18:02:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-11 18:02:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 64. [2024-11-11 18:02:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 43 states have internal predecessors, (49), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 18 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-11 18:02:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 91 transitions. [2024-11-11 18:02:08,937 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 91 transitions. Word has length 13 [2024-11-11 18:02:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:08,938 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 91 transitions. [2024-11-11 18:02:08,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-11 18:02:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-11 18:02:08,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:08,940 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:08,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-11 18:02:09,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:09,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:09,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:09,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1942099019, now seen corresponding path program 1 times [2024-11-11 18:02:09,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:09,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332179225] [2024-11-11 18:02:09,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:09,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:09,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-11 18:02:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:09,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 18:02:09,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:09,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:09,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:09,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332179225] [2024-11-11 18:02:09,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332179225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:09,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:09,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 18:02:09,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239918990] [2024-11-11 18:02:09,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:09,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 18:02:09,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 18:02:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 18:02:09,351 INFO L87 Difference]: Start difference. First operand 64 states and 91 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:09,551 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2024-11-11 18:02:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:02:09,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-11 18:02:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:09,555 INFO L225 Difference]: With dead ends: 137 [2024-11-11 18:02:09,555 INFO L226 Difference]: Without dead ends: 75 [2024-11-11 18:02:09,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 18:02:09,557 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 10 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:09,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 372 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 18:02:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-11 18:02:09,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 65. [2024-11-11 18:02:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 18 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-11 18:02:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2024-11-11 18:02:09,579 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 14 [2024-11-11 18:02:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:09,579 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2024-11-11 18:02:09,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-11 18:02:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-11 18:02:09,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:09,581 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:09,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-11 18:02:09,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:09,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:09,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:09,783 INFO L85 PathProgramCache]: Analyzing trace with hash -39663284, now seen corresponding path program 1 times [2024-11-11 18:02:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:09,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629672365] [2024-11-11 18:02:09,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:09,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:09,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:09,789 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:09,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-11 18:02:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:09,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 18:02:09,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:09,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:09,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:09,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629672365] [2024-11-11 18:02:09,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629672365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:09,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:09,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 18:02:09,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362868492] [2024-11-11 18:02:09,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:09,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 18:02:09,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:09,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 18:02:09,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 18:02:09,912 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:10,129 INFO L93 Difference]: Finished difference Result 148 states and 217 transitions. [2024-11-11 18:02:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:02:10,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-11 18:02:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:10,132 INFO L225 Difference]: With dead ends: 148 [2024-11-11 18:02:10,132 INFO L226 Difference]: Without dead ends: 85 [2024-11-11 18:02:10,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 18:02:10,134 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 13 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:10,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 431 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 18:02:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-11 18:02:10,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2024-11-11 18:02:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 48 states have internal predecessors, (55), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (22), 19 states have call predecessors, (22), 20 states have call successors, (22) [2024-11-11 18:02:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2024-11-11 18:02:10,156 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 14 [2024-11-11 18:02:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:10,157 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2024-11-11 18:02:10,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-11 18:02:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-11 18:02:10,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:10,159 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:10,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-11 18:02:10,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:10,362 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:10,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash 158343587, now seen corresponding path program 1 times [2024-11-11 18:02:10,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:10,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564023116] [2024-11-11 18:02:10,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:10,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:10,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:10,367 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:10,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-11 18:02:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:10,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 18:02:10,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:10,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:10,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564023116] [2024-11-11 18:02:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564023116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:10,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:10,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 18:02:10,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367792806] [2024-11-11 18:02:10,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:10,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 18:02:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 18:02:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 18:02:10,469 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:10,577 INFO L93 Difference]: Finished difference Result 163 states and 233 transitions. [2024-11-11 18:02:10,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 18:02:10,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-11 18:02:10,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:10,579 INFO L225 Difference]: With dead ends: 163 [2024-11-11 18:02:10,579 INFO L226 Difference]: Without dead ends: 94 [2024-11-11 18:02:10,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 18:02:10,581 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:10,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 300 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 18:02:10,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-11 18:02:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 73. [2024-11-11 18:02:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 50 states have internal predecessors, (56), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-11 18:02:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2024-11-11 18:02:10,591 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 15 [2024-11-11 18:02:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:10,592 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2024-11-11 18:02:10,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2024-11-11 18:02:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-11 18:02:10,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:10,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:10,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-11 18:02:10,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:10,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:10,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:10,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1150558910, now seen corresponding path program 1 times [2024-11-11 18:02:10,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:10,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778404377] [2024-11-11 18:02:10,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:10,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:10,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:10,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:10,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-11 18:02:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:10,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 18:02:10,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:10,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:10,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:10,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778404377] [2024-11-11 18:02:10,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778404377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:10,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:10,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 18:02:10,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048993059] [2024-11-11 18:02:10,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:10,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 18:02:10,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:10,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 18:02:10,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 18:02:10,899 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:10,982 INFO L93 Difference]: Finished difference Result 161 states and 229 transitions. [2024-11-11 18:02:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 18:02:10,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-11 18:02:10,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:10,984 INFO L225 Difference]: With dead ends: 161 [2024-11-11 18:02:10,984 INFO L226 Difference]: Without dead ends: 92 [2024-11-11 18:02:10,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 18:02:10,986 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 16 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:10,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 305 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 18:02:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-11 18:02:10,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 73. [2024-11-11 18:02:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 50 states have internal predecessors, (56), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (23), 19 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-11 18:02:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2024-11-11 18:02:10,996 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 15 [2024-11-11 18:02:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:10,996 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2024-11-11 18:02:10,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-11 18:02:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-11 18:02:10,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:10,997 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:11,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-11 18:02:11,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:11,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:11,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:11,199 INFO L85 PathProgramCache]: Analyzing trace with hash 715308360, now seen corresponding path program 1 times [2024-11-11 18:02:11,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:11,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041819536] [2024-11-11 18:02:11,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:11,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:11,200 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:11,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-11 18:02:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:11,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 18:02:11,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:11,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:11,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:11,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041819536] [2024-11-11 18:02:11,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041819536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:11,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 18:02:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624053790] [2024-11-11 18:02:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:11,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 18:02:11,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 18:02:11,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 18:02:11,323 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:11,507 INFO L93 Difference]: Finished difference Result 163 states and 234 transitions. [2024-11-11 18:02:11,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:02:11,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-11 18:02:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:11,509 INFO L225 Difference]: With dead ends: 163 [2024-11-11 18:02:11,509 INFO L226 Difference]: Without dead ends: 94 [2024-11-11 18:02:11,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 18:02:11,511 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:11,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 373 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 18:02:11,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-11 18:02:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2024-11-11 18:02:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.2) internal successors, (60), 54 states have internal predecessors, (60), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (25), 19 states have call predecessors, (25), 21 states have call successors, (25) [2024-11-11 18:02:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2024-11-11 18:02:11,527 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 15 [2024-11-11 18:02:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:11,527 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2024-11-11 18:02:11,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2024-11-11 18:02:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-11 18:02:11,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:11,528 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:11,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-11 18:02:11,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:11,729 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:11,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 778725574, now seen corresponding path program 1 times [2024-11-11 18:02:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096381362] [2024-11-11 18:02:11,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:11,733 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:11,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-11 18:02:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:02:11,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 18:02:11,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:02:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:02:11,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:02:11,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:02:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096381362] [2024-11-11 18:02:11,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096381362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:02:11,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:02:11,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 18:02:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668316033] [2024-11-11 18:02:11,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:02:11,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 18:02:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:02:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 18:02:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-11 18:02:11,849 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:02:12,000 INFO L93 Difference]: Finished difference Result 162 states and 223 transitions. [2024-11-11 18:02:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:02:12,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-11 18:02:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:02:12,002 INFO L225 Difference]: With dead ends: 162 [2024-11-11 18:02:12,003 INFO L226 Difference]: Without dead ends: 88 [2024-11-11 18:02:12,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 18:02:12,004 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 18:02:12,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 460 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 18:02:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-11 18:02:12,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2024-11-11 18:02:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 57 states have internal predecessors, (64), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (25), 20 states have call predecessors, (25), 21 states have call successors, (25) [2024-11-11 18:02:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 111 transitions. [2024-11-11 18:02:12,020 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 111 transitions. Word has length 16 [2024-11-11 18:02:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:02:12,020 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 111 transitions. [2024-11-11 18:02:12,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 18:02:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2024-11-11 18:02:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-11 18:02:12,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:02:12,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:12,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-11 18:02:12,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:12,222 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:02:12,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:02:12,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2097712175, now seen corresponding path program 1 times [2024-11-11 18:02:12,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:02:12,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109318505] [2024-11-11 18:02:12,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:02:12,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:12,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:02:12,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:02:12,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-11 18:02:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:02:12,269 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 18:02:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:02:12,310 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-11 18:02:12,311 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 18:02:12,312 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 18:02:12,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-11 18:02:12,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:02:12,520 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:02:12,534 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 18:02:12,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:02:12 BoogieIcfgContainer [2024-11-11 18:02:12,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 18:02:12,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 18:02:12,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 18:02:12,537 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 18:02:12,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:02:08" (3/4) ... [2024-11-11 18:02:12,541 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 18:02:12,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 18:02:12,543 INFO L158 Benchmark]: Toolchain (without parser) took 5820.39ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 47.1MB in the beginning and 34.1MB in the end (delta: 13.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,543 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:02:12,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.71ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 43.1MB in the end (delta: 3.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.13ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,544 INFO L158 Benchmark]: Boogie Preprocessor took 60.25ms. Allocated memory is still 81.8MB. Free memory was 40.1MB in the beginning and 37.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,545 INFO L158 Benchmark]: RCFGBuilder took 541.79ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 47.6MB in the end (delta: -10.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,546 INFO L158 Benchmark]: TraceAbstraction took 4394.72ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 34.9MB in the end (delta: 11.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-11 18:02:12,546 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 102.8MB. Free memory was 34.9MB in the beginning and 34.1MB in the end (delta: 782.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:02:12,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.71ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 43.1MB in the end (delta: 3.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.13ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.25ms. Allocated memory is still 81.8MB. Free memory was 40.1MB in the beginning and 37.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.79ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 47.6MB in the end (delta: -10.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4394.72ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 34.9MB in the end (delta: 11.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 102.8MB. Free memory was 34.9MB in the beginning and 34.1MB in the end (delta: 782.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 997]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of rint at line 1006. Possible FailurePath: [L1000] int const modes[] = {0x400, 0, 0xc00, 0x800}; [L1000] int const modes[] = {0x400, 0, 0xc00, 0x800}; [L1000] int const modes[] = {0x400, 0, 0xc00, 0x800}; [L1000] int const modes[] = {0x400, 0, 0xc00, 0x800}; [L1000] int const modes[] = {0x400, 0, 0xc00, 0x800}; [L1002] int i = 0; VAL [i=0, modes={3:0}] [L1002] COND TRUE i < sizeof(modes) / sizeof(int) [L1003] EXPR modes[i] [L1003] FCALL fesetround(modes[i]) VAL [i=0, modes={3:0}] [L1004] modes[i] [L1005] case 0x400: [L1006] CALL __VERIFIER_assert(rint(12.9) == 12.) VAL [\old(cond)=0] [L997] COND TRUE !(cond) VAL [\old(cond)=0] [L997] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 2629 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2022 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 510 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 607 mSDtfsCounter, 510 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=7, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 100 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 38 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2024-11-11 18:02:12,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample