./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_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 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:57:57,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:57:57,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 18:57:57,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:57:57,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:57:57,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:57:57,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:57:57,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:57:57,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:57:57,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:57:57,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:57:57,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:57:57,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:57:57,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:57:57,940 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:57:57,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:57:57,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:57:57,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 18:57:57,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:57:57,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:57:57,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:57:57,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:57:57,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:57:57,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:57:57,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:57:57,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:57:57,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:57:57,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:57:57,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:57:57,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:57:57,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:57:57,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:57:57,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:57:57,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:57:57,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:57:57,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 18:57:57,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 18:57:57,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:57:57,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:57:57,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:57:57,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:57:57,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 [2024-11-12 18:57:58,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:57:58,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:57:58,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:57:58,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:57:58,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:57:58,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-11-12 18:57:59,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:58:00,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:58:00,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-11-12 18:58:00,052 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a760480f1/e1dcbbb3deac46fb906adc2285193df3/FLAGd8a94dd8d [2024-11-12 18:58:00,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a760480f1/e1dcbbb3deac46fb906adc2285193df3 [2024-11-12 18:58:00,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:58:00,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:58:00,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:58:00,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:58:00,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:58:00,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:58:00" (1/1) ... [2024-11-12 18:58:00,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40aa0f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:00, skipping insertion in model container [2024-11-12 18:58:00,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:58:00" (1/1) ... [2024-11-12 18:58:00,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:58:01,347 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: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:1026) 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:790) 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:790) 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:1751) 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.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) [2024-11-12 18:58:01,352 INFO L158 Benchmark]: Toolchain (without parser) took 1078.80ms. Allocated memory is still 163.6MB. Free memory was 89.6MB in the beginning and 118.3MB in the end (delta: -28.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 18:58:01,353 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:58:01,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.35ms. Allocated memory is still 163.6MB. Free memory was 89.5MB in the beginning and 118.3MB in the end (delta: -28.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 18:58:01,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.35ms. Allocated memory is still 163.6MB. Free memory was 89.5MB in the beginning and 118.3MB in the end (delta: -28.8MB). Peak memory consumption was 16.8MB. 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_fscanf_square_52_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 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:58:03,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:58:03,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 18:58:03,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:58:03,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:58:03,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 18:58:03,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:58:03,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:58:03,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:58:03,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:58:03,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:58:03,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:58:03,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:58:03,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:58:03,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:58:03,440 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:58:03,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:58:03,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:58:03,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:58:03,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:58:03,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:58:03,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:58:03,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 18:58:03,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 18:58:03,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:58:03,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:58:03,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 18:58:03,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:58:03,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:58:03,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:58:03,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:58:03,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:58:03,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:58:03,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:58:03,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:58:03,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:58:03,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:58:03,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:58:03,452 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 18:58:03,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 18:58:03,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:58:03,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:58:03,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:58:03,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:58:03,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 [2024-11-12 18:58:03,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:58:03,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:58:03,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:58:03,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:58:03,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:58:03,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-11-12 18:58:05,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:58:05,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:58:05,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-11-12 18:58:05,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99033c90/187e27c4b1eb44d8a80b4afe791dc307/FLAGe72d3332b [2024-11-12 18:58:05,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99033c90/187e27c4b1eb44d8a80b4afe791dc307 [2024-11-12 18:58:05,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:58:05,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:58:05,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:58:05,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:58:05,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:58:05,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:58:05" (1/1) ... [2024-11-12 18:58:05,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c4d9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:05, skipping insertion in model container [2024-11-12 18:58:05,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:58:05" (1/1) ... [2024-11-12 18:58:05,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:58:07,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:58:07,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:58:07,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:58:07,423 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:58:07,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07 WrapperNode [2024-11-12 18:58:07,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:58:07,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:58:07,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:58:07,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:58:07,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,501 INFO L138 Inliner]: procedures = 946, calls = 32, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 67 [2024-11-12 18:58:07,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:58:07,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:58:07,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:58:07,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:58:07,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,536 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 18:58:07,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:58:07,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:58:07,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:58:07,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:58:07,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (1/1) ... [2024-11-12 18:58:07,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:58:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:58:07,613 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) [2024-11-12 18:58:07,619 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 [2024-11-12 18:58:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-12 18:58:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-12 18:58:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:58:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:58:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:58:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:58:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:58:07,798 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:58:07,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:58:09,861 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 18:58:09,862 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:58:09,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:58:09,875 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:58:09,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:58:09 BoogieIcfgContainer [2024-11-12 18:58:09,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:58:09,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:58:09,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:58:09,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:58:09,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:58:05" (1/3) ... [2024-11-12 18:58:09,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc9bcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:58:09, skipping insertion in model container [2024-11-12 18:58:09,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:58:07" (2/3) ... [2024-11-12 18:58:09,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc9bcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:58:09, skipping insertion in model container [2024-11-12 18:58:09,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:58:09" (3/3) ... [2024-11-12 18:58:09,886 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-11-12 18:58:09,902 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:58:09,902 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-12 18:58:09,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:58:09,970 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;@387b552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:58:09,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-12 18:58:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 18:58:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 18:58:09,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:58:09,982 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:58:09,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-12 18:58:09,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:58:09,991 INFO L85 PathProgramCache]: Analyzing trace with hash 948854709, now seen corresponding path program 1 times [2024-11-12 18:58:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:58:10,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75000133] [2024-11-12 18:58:10,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:58:10,007 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 [2024-11-12 18:58:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:58:10,010 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) [2024-11-12 18:58:10,012 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 [2024-11-12 18:58:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:58:10,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 18:58:10,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:58:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:58:10,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:58:10,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:58:10,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75000133] [2024-11-12 18:58:10,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75000133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:58:10,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:58:10,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 18:58:10,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727288121] [2024-11-12 18:58:10,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:58:10,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 18:58:10,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:58:10,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 18:58:10,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:58:10,252 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-12 18:58:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:58:10,333 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2024-11-12 18:58:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 18:58:10,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2024-11-12 18:58:10,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:58:10,344 INFO L225 Difference]: With dead ends: 41 [2024-11-12 18:58:10,344 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 18:58:10,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:58:10,353 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 18:58:10,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 18:58:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 18:58:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-12 18:58:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:58:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-12 18:58:10,380 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2024-11-12 18:58:10,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:58:10,380 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-12 18:58:10,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-12 18:58:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-12 18:58:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 18:58:10,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:58:10,382 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:58:10,387 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 (2)] Forceful destruction successful, exit code 0 [2024-11-12 18:58:10,583 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 [2024-11-12 18:58:10,583 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-12 18:58:10,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:58:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash 595744385, now seen corresponding path program 1 times [2024-11-12 18:58:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:58:10,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715161568] [2024-11-12 18:58:10,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:58:10,585 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 [2024-11-12 18:58:10,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:58:10,587 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) [2024-11-12 18:58:10,588 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 [2024-11-12 18:58:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:58:10,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 18:58:10,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:58:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:58:10,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:58:10,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:58:10,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715161568] [2024-11-12 18:58:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715161568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:58:10,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:58:10,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 18:58:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672803710] [2024-11-12 18:58:10,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:58:10,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 18:58:10,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:58:10,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 18:58:10,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 18:58:10,790 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:58:14,839 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 [] [2024-11-12 18:58:18,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 18:58:22,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 18:58:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:58:22,947 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-12 18:58:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 18:58:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-12 18:58:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:58:22,951 INFO L225 Difference]: With dead ends: 27 [2024-11-12 18:58:22,951 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 18:58:22,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 18:58:22,953 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-12 18:58:22,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2024-11-12 18:58:22,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 18:58:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-12 18:58:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:58:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-12 18:58:22,957 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 20 [2024-11-12 18:58:22,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:58:22,957 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-12 18:58:22,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:58:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-12 18:58:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 18:58:22,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:58:22,959 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:58:22,964 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 [2024-11-12 18:58:23,159 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 [2024-11-12 18:58:23,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-12 18:58:23,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:58:23,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1288210850, now seen corresponding path program 1 times [2024-11-12 18:58:23,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:58:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619201878] [2024-11-12 18:58:23,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:58:23,161 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 [2024-11-12 18:58:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:58:23,163 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) [2024-11-12 18:58:23,164 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 [2024-11-12 18:58:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:58:23,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 18:58:23,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:58:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:58:23,285 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:58:23,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:58:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619201878] [2024-11-12 18:58:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619201878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:58:23,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:58:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 18:58:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575457811] [2024-11-12 18:58:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:58:23,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 18:58:23,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:58:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 18:58:23,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:58:23,288 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:58:23,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:58:23,300 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2024-11-12 18:58:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 18:58:23,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-12 18:58:23,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:58:23,302 INFO L225 Difference]: With dead ends: 30 [2024-11-12 18:58:23,302 INFO L226 Difference]: Without dead ends: 25 [2024-11-12 18:58:23,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:58:23,303 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 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 [2024-11-12 18:58:23,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:58:23,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-12 18:58:23,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-12 18:58:23,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:58:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-11-12 18:58:23,309 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2024-11-12 18:58:23,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:58:23,309 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2024-11-12 18:58:23,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:58:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-11-12 18:58:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-12 18:58:23,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:58:23,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:58:23,318 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 (4)] Ended with exit code 0 [2024-11-12 18:58:23,511 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 [2024-11-12 18:58:23,512 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-12 18:58:23,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:58:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1279705763, now seen corresponding path program 1 times [2024-11-12 18:58:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:58:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739227793] [2024-11-12 18:58:23,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:58:23,514 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 [2024-11-12 18:58:23,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:58:23,518 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) [2024-11-12 18:58:23,519 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 [2024-11-12 18:59:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:59:02,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 18:59:02,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:59:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:59:03,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:59:03,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:59:03,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739227793] [2024-11-12 18:59:03,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739227793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:59:03,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:59:03,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 18:59:03,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173090925] [2024-11-12 18:59:03,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:59:03,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 18:59:03,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:59:03,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 18:59:03,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 18:59:03,221 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:59:07,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-12 18:59:11,427 WARN L539 Checker$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] [2024-11-12 18:59:15,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-12 18:59:19,436 WARN L539 Checker$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] [2024-11-12 18:59:23,439 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] [2024-11-12 18:59:23,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:59:23,440 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2024-11-12 18:59:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 18:59:23,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-12 18:59:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:59:23,444 INFO L225 Difference]: With dead ends: 25 [2024-11-12 18:59:23,445 INFO L226 Difference]: Without dead ends: 24 [2024-11-12 18:59:23,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 18:59:23,446 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-12 18:59:23,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 73 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2024-11-12 18:59:23,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-12 18:59:23,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-12 18:59:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:59:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-12 18:59:23,450 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2024-11-12 18:59:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:59:23,450 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-12 18:59:23,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 18:59:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-12 18:59:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-12 18:59:23,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:59:23,452 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:59:23,462 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 [2024-11-12 18:59:23,652 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 [2024-11-12 18:59:23,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-12 18:59:23,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:59:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1016173060, now seen corresponding path program 1 times [2024-11-12 18:59:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:59:23,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533990765] [2024-11-12 18:59:23,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:59:23,654 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 [2024-11-12 18:59:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:59:23,655 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) [2024-11-12 18:59:23,656 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