./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 20:32:17,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 20:32:17,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 20:32:17,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 20:32:17,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 20:32:17,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 20:32:17,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 20:32:17,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 20:32:17,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 20:32:17,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 20:32:17,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 20:32:17,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 20:32:17,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 20:32:17,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 20:32:17,193 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 20:32:17,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 20:32:17,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 20:32:17,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 20:32:17,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 20:32:17,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 20:32:17,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 20:32:17,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 20:32:17,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 20:32:17,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 20:32:17,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 20:32:17,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 20:32:17,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 20:32:17,198 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 20:32:17,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 20:32:17,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 20:32:17,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 20:32:17,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:32:17,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 20:32:17,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 20:32:17,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 20:32:17,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 20:32:17,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 20:32:17,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 20:32:17,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 20:32:17,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 20:32:17,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 20:32:17,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2024-11-10 20:32:17,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 20:32:17,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 20:32:17,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 20:32:17,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 20:32:17,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 20:32:17,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-10 20:32:18,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 20:32:18,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 20:32:18,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-10 20:32:18,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fa1a967/a17fd68c68684a179c3d531ec50c0513/FLAG32975267f [2024-11-10 20:32:19,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fa1a967/a17fd68c68684a179c3d531ec50c0513 [2024-11-10 20:32:19,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 20:32:19,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 20:32:19,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 20:32:19,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 20:32:19,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 20:32:19,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:32:19" (1/1) ... [2024-11-10 20:32:19,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ec302d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:19, skipping insertion in model container [2024-11-10 20:32:19,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:32:19" (1/1) ... [2024-11-10 20:32:19,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 20:32:20,181 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1611) 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:1028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1761) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:200) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:1638) 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:3519) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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) [2024-11-10 20:32:20,192 INFO L158 Benchmark]: Toolchain (without parser) took 978.24ms. Allocated memory is still 226.5MB. Free memory was 149.4MB in the beginning and 178.2MB in the end (delta: -28.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 20:32:20,192 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 226.5MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:32:20,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.13ms. Allocated memory is still 226.5MB. Free memory was 149.1MB in the beginning and 178.2MB in the end (delta: -29.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 20:32:20,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 226.5MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.13ms. Allocated memory is still 226.5MB. Free memory was 149.1MB in the beginning and 178.2MB in the end (delta: -29.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) 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/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 20:32:21,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 20:32:21,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 20:32:21,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 20:32:21,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 20:32:21,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 20:32:21,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 20:32:21,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 20:32:21,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 20:32:21,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 20:32:21,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 20:32:21,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 20:32:21,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 20:32:21,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 20:32:21,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 20:32:21,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 20:32:21,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 20:32:21,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 20:32:21,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 20:32:21,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 20:32:21,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 20:32:21,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 20:32:21,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 20:32:21,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 20:32:21,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 20:32:21,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 20:32:21,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 20:32:21,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 20:32:21,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 20:32:21,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 20:32:21,930 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 20:32:21,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 20:32:21,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 20:32:21,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 20:32:21,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:32:21,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 20:32:21,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 20:32:21,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 20:32:21,932 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 20:32:21,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 20:32:21,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 20:32:21,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 20:32:21,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 20:32:21,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 20:32:21,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2024-11-10 20:32:22,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 20:32:22,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 20:32:22,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 20:32:22,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 20:32:22,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 20:32:22,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-10 20:32:23,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 20:32:23,860 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 20:32:23,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-10 20:32:23,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fea6daf/b952233e87f7408b855e8672ab9f95e2/FLAG502c98454 [2024-11-10 20:32:23,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fea6daf/b952233e87f7408b855e8672ab9f95e2 [2024-11-10 20:32:23,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 20:32:23,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 20:32:23,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 20:32:23,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 20:32:23,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 20:32:23,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:32:23" (1/1) ... [2024-11-10 20:32:23,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4ff69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:23, skipping insertion in model container [2024-11-10 20:32:23,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:32:23" (1/1) ... [2024-11-10 20:32:24,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 20:32:24,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:32:24,798 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 20:32:24,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:32:25,149 INFO L204 MainTranslator]: Completed translation [2024-11-10 20:32:25,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25 WrapperNode [2024-11-10 20:32:25,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 20:32:25,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 20:32:25,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 20:32:25,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 20:32:25,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,223 INFO L138 Inliner]: procedures = 945, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 247 [2024-11-10 20:32:25,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 20:32:25,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 20:32:25,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 20:32:25,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 20:32:25,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,259 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2024-11-10 20:32:25,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 20:32:25,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 20:32:25,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 20:32:25,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 20:32:25,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (1/1) ... [2024-11-10 20:32:25,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:32:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 20:32:25,323 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) [2024-11-10 20:32:25,326 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 [2024-11-10 20:32:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-10 20:32:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-10 20:32:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 20:32:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 20:32:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 20:32:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 20:32:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 20:32:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 20:32:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 20:32:25,526 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 20:32:25,529 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 20:32:31,684 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-10 20:32:31,685 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 20:32:31,695 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 20:32:31,697 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 20:32:31,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:32:31 BoogieIcfgContainer [2024-11-10 20:32:31,697 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 20:32:31,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 20:32:31,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 20:32:31,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 20:32:31,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:32:23" (1/3) ... [2024-11-10 20:32:31,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50719c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:32:31, skipping insertion in model container [2024-11-10 20:32:31,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:32:25" (2/3) ... [2024-11-10 20:32:31,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50719c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:32:31, skipping insertion in model container [2024-11-10 20:32:31,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:32:31" (3/3) ... [2024-11-10 20:32:31,707 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-10 20:32:31,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 20:32:31,720 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 20:32:31,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 20:32:31,785 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;@2752560a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 20:32:31,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 20:32:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 72 states have (on average 1.4583333333333333) internal successors, (105), 90 states have internal predecessors, (105), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 20:32:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 20:32:31,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:32:31,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:32:31,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 20:32:31,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:32:31,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1190855157, now seen corresponding path program 1 times [2024-11-10 20:32:31,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:32:31,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198073450] [2024-11-10 20:32:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:32:31,817 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 [2024-11-10 20:32:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:32:31,819 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) [2024-11-10 20:32:31,821 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 [2024-11-10 20:32:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:32:31,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 20:32:31,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 20:32:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:32:31,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 20:32:31,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 20:32:31,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198073450] [2024-11-10 20:32:31,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198073450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:32:31,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:32:31,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 20:32:31,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765531677] [2024-11-10 20:32:31,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:32:31,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 20:32:31,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 20:32:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 20:32:31,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 20:32:31,989 INFO L87 Difference]: Start difference. First operand has 103 states, 72 states have (on average 1.4583333333333333) internal successors, (105), 90 states have internal predecessors, (105), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:32,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:32:32,022 INFO L93 Difference]: Finished difference Result 195 states and 265 transitions. [2024-11-10 20:32:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 20:32:32,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-10 20:32:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:32:32,031 INFO L225 Difference]: With dead ends: 195 [2024-11-10 20:32:32,031 INFO L226 Difference]: Without dead ends: 88 [2024-11-10 20:32:32,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 20:32:32,037 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 20:32:32,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 20:32:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-10 20:32:32,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-10 20:32:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 77 states have internal predecessors, (90), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 20:32:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 118 transitions. [2024-11-10 20:32:32,104 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 118 transitions. Word has length 15 [2024-11-10 20:32:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:32:32,105 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 118 transitions. [2024-11-10 20:32:32,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2024-11-10 20:32:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 20:32:32,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:32:32,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:32:32,116 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 [2024-11-10 20:32:32,310 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 [2024-11-10 20:32:32,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 20:32:32,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:32:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2004128044, now seen corresponding path program 1 times [2024-11-10 20:32:32,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:32:32,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757742986] [2024-11-10 20:32:32,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:32:32,313 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 [2024-11-10 20:32:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:32:32,331 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) [2024-11-10 20:32:32,332 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 [2024-11-10 20:32:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:32:32,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 20:32:32,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 20:32:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:32:32,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 20:32:32,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 20:32:32,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757742986] [2024-11-10 20:32:32,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757742986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:32:32,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:32:32,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 20:32:32,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671727468] [2024-11-10 20:32:32,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:32:32,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 20:32:32,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 20:32:32,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 20:32:32,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 20:32:32,495 INFO L87 Difference]: Start difference. First operand 88 states and 118 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:36,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 20:32:40,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 20:32:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 20:32:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:32:45,571 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2024-11-10 20:32:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 20:32:45,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-10 20:32:45,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:32:45,573 INFO L225 Difference]: With dead ends: 170 [2024-11-10 20:32:45,573 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 20:32:45,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 20:32:45,574 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 18 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-10 20:32:45,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 326 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-11-10 20:32:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 20:32:45,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2024-11-10 20:32:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 81 states have internal predecessors, (96), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 20:32:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions. [2024-11-10 20:32:45,584 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 16 [2024-11-10 20:32:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:32:45,584 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 124 transitions. [2024-11-10 20:32:45,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions. [2024-11-10 20:32:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 20:32:45,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:32:45,587 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:32:45,592 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 (3)] Ended with exit code 0 [2024-11-10 20:32:45,788 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 [2024-11-10 20:32:45,788 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 20:32:45,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:32:45,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1998428113, now seen corresponding path program 1 times [2024-11-10 20:32:45,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:32:45,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147919661] [2024-11-10 20:32:45,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:32:45,790 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 [2024-11-10 20:32:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:32:45,792 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) [2024-11-10 20:32:45,793 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 [2024-11-10 20:32:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:32:45,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 20:32:45,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 20:32:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:32:45,888 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 20:32:45,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 20:32:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147919661] [2024-11-10 20:32:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147919661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:32:45,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:32:45,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 20:32:45,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858576514] [2024-11-10 20:32:45,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:32:45,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 20:32:45,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 20:32:45,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 20:32:45,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 20:32:45,890 INFO L87 Difference]: Start difference. First operand 92 states and 124 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:45,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:32:45,917 INFO L93 Difference]: Finished difference Result 161 states and 215 transitions. [2024-11-10 20:32:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 20:32:45,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-10 20:32:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:32:45,919 INFO L225 Difference]: With dead ends: 161 [2024-11-10 20:32:45,921 INFO L226 Difference]: Without dead ends: 93 [2024-11-10 20:32:45,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 20:32:45,923 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 20:32:45,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 20:32:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-10 20:32:45,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-10 20:32:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 82 states have internal predecessors, (97), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 20:32:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2024-11-10 20:32:45,936 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 17 [2024-11-10 20:32:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:32:45,937 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2024-11-10 20:32:45,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:32:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2024-11-10 20:32:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 20:32:45,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:32:45,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:32:45,948 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 (4)] Forceful destruction successful, exit code 0 [2024-11-10 20:32:46,141 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 [2024-11-10 20:32:46,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 20:32:46,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:32:46,142 INFO L85 PathProgramCache]: Analyzing trace with hash 638269327, now seen corresponding path program 1 times [2024-11-10 20:32:46,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:32:46,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205646288] [2024-11-10 20:32:46,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:32:46,142 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 [2024-11-10 20:32:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:32:46,145 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) [2024-11-10 20:32:46,146 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 [2024-11-10 20:33:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:33:33,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 20:33:33,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 20:33:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:33:33,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 20:33:33,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 20:33:33,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205646288] [2024-11-10 20:33:33,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205646288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:33:33,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:33:33,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 20:33:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830943959] [2024-11-10 20:33:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:33:33,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 20:33:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 20:33:33,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 20:33:33,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 20:33:33,578 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:33:37,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 20:33:41,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 20:33:45,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 20:33:49,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 20:33:53,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 20:33:54,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:33:54,231 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2024-11-10 20:33:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 20:33:54,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-10 20:33:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:33:54,233 INFO L225 Difference]: With dead ends: 166 [2024-11-10 20:33:54,233 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 20:33:54,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 20:33:54,234 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 30 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-11-10 20:33:54,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 340 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2024-11-10 20:33:54,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 20:33:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 95. [2024-11-10 20:33:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 84 states have internal predecessors, (99), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 20:33:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-11-10 20:33:54,251 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 19 [2024-11-10 20:33:54,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:33:54,251 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-11-10 20:33:54,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 20:33:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-11-10 20:33:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 20:33:54,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:33:54,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:33:54,263 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 (5)] Forceful destruction successful, exit code 0 [2024-11-10 20:33:54,453 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 [2024-11-10 20:33:54,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 20:33:54,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:33:54,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1688487258, now seen corresponding path program 1 times [2024-11-10 20:33:54,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:33:54,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450855752] [2024-11-10 20:33:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:33:54,455 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 [2024-11-10 20:33:54,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:33:54,456 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) [2024-11-10 20:33:54,456 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