./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_51_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 a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 12:48:46,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 12:48:46,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 12:48:46,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 12:48:46,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 12:48:46,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 12:48:46,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 12:48:46,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 12:48:46,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 12:48:46,333 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 12:48:46,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 12:48:46,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 12:48:46,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 12:48:46,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 12:48:46,335 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 12:48:46,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 12:48:46,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 12:48:46,337 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 12:48:46,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 12:48:46,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 12:48:46,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 12:48:46,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 12:48:46,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 12:48:46,340 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 [2025-03-04 12:48:46,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 12:48:46,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 12:48:46,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 12:48:46,569 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 12:48:46,569 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 12:48:46,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2025-03-04 12:48:47,672 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45366b429/c2b6b7381f4748e99f53eff5b5a88e76/FLAG7ff166ada [2025-03-04 12:48:48,012 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 12:48:48,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2025-03-04 12:48:48,037 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45366b429/c2b6b7381f4748e99f53eff5b5a88e76/FLAG7ff166ada [2025-03-04 12:48:48,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45366b429/c2b6b7381f4748e99f53eff5b5a88e76 [2025-03-04 12:48:48,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 12:48:48,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 12:48:48,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 12:48:48,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 12:48:48,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 12:48:48,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:48" (1/1) ... [2025-03-04 12:48:48,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a1d0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:48, skipping insertion in model container [2025-03-04 12:48:48,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:48" (1/1) ... [2025-03-04 12:48:48,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 12:48:49,119 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:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) 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:1658) 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:1056) 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:791) 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:791) 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:1808) 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:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) 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:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) 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:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-04 12:48:49,124 INFO L158 Benchmark]: Toolchain (without parser) took 863.51ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 93.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 12:48:49,125 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 12:48:49,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 862.12ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 93.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 12:48:49,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 862.12ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 93.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. 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:629) 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/21.0.5-tem/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_1.6.800.v20240513-1750.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_51_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 a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 12:48:50,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 12:48:50,806 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-04 12:48:50,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 12:48:50,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 12:48:50,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-04 12:48:50,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 12:48:50,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 12:48:50,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 12:48:50,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 12:48:50,829 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 12:48:50,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 12:48:50,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 12:48:50,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 12:48:50,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 12:48:50,831 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 12:48:50,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 12:48:50,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 12:48:50,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 12:48:50,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 12:48:50,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 12:48:50,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 12:48:50,833 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 12:48:50,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 12:48:50,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 12:48:50,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 12:48:50,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 12:48:50,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 12:48:50,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 12:48:50,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 12:48:50,835 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 [2025-03-04 12:48:51,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 12:48:51,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 12:48:51,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 12:48:51,109 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 12:48:51,109 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 12:48:51,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2025-03-04 12:48:52,295 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b42b201/ee135151e9344343852694e29bd3b20b/FLAGee671adcd [2025-03-04 12:48:52,607 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 12:48:52,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2025-03-04 12:48:52,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b42b201/ee135151e9344343852694e29bd3b20b/FLAGee671adcd [2025-03-04 12:48:52,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b42b201/ee135151e9344343852694e29bd3b20b [2025-03-04 12:48:52,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 12:48:52,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 12:48:52,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 12:48:52,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 12:48:52,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 12:48:52,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:52" (1/1) ... [2025-03-04 12:48:52,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1bb063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:52, skipping insertion in model container [2025-03-04 12:48:52,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:48:52" (1/1) ... [2025-03-04 12:48:52,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 12:48:53,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 12:48:53,502 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 12:48:53,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 12:48:53,804 INFO L204 MainTranslator]: Completed translation [2025-03-04 12:48:53,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53 WrapperNode [2025-03-04 12:48:53,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 12:48:53,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 12:48:53,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 12:48:53,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 12:48:53,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,839 INFO L138 Inliner]: procedures = 944, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2025-03-04 12:48:53,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 12:48:53,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 12:48:53,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 12:48:53,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 12:48:53,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,854 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 12:48:53,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 12:48:53,865 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 12:48:53,865 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 12:48:53,865 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 12:48:53,866 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (1/1) ... [2025-03-04 12:48:53,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 12:48:53,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 12:48:53,891 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) [2025-03-04 12:48:53,893 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 [2025-03-04 12:48:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 12:48:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 12:48:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 12:48:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 12:48:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 12:48:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 12:48:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 12:48:53,997 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 12:48:53,998 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 12:48:57,585 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-04 12:48:57,585 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 12:48:57,593 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 12:48:57,593 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 12:48:57,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:57 BoogieIcfgContainer [2025-03-04 12:48:57,593 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 12:48:57,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 12:48:57,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 12:48:57,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 12:48:57,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:48:52" (1/3) ... [2025-03-04 12:48:57,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b49b317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:57, skipping insertion in model container [2025-03-04 12:48:57,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:48:53" (2/3) ... [2025-03-04 12:48:57,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b49b317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:48:57, skipping insertion in model container [2025-03-04 12:48:57,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:48:57" (3/3) ... [2025-03-04 12:48:57,601 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2025-03-04 12:48:57,610 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 12:48:57,612 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_51_good.i that has 3 procedures, 38 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-04 12:48:57,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 12:48:57,657 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;@609710e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 12:48:57,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-04 12:48:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 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) [2025-03-04 12:48:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 12:48:57,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:48:57,664 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 12:48:57,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-04 12:48:57,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:48:57,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1215794343, now seen corresponding path program 1 times [2025-03-04 12:48:57,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 12:48:57,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219957310] [2025-03-04 12:48:57,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:48:57,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:48:57,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 12:48:57,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 12:48:57,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 12:48:57,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 12:48:57,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 12:48:57,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:48:57,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:48:57,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 12:48:57,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 12:48:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:48:57,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 12:48:57,819 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 12:48:57,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219957310] [2025-03-04 12:48:57,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219957310] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:48:57,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:48:57,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 12:48:57,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497039273] [2025-03-04 12:48:57,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:48:57,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 12:48:57,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 12:48:57,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 12:48:57,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:48:57,852 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 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) [2025-03-04 12:48:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:48:57,934 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2025-03-04 12:48:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 12:48:57,935 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 [2025-03-04 12:48:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:48:57,939 INFO L225 Difference]: With dead ends: 38 [2025-03-04 12:48:57,939 INFO L226 Difference]: Without dead ends: 25 [2025-03-04 12:48:57,940 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 [2025-03-04 12:48:57,942 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 76 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 [2025-03-04 12:48:57,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 12:48:57,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-03-04 12:48:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-03-04 12:48:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) 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) [2025-03-04 12:48:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2025-03-04 12:48:57,970 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 9 [2025-03-04 12:48:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:48:57,971 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2025-03-04 12:48:57,971 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) [2025-03-04 12:48:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2025-03-04 12:48:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 12:48:57,972 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:48:57,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 12:48:57,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 12:48:58,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:48:58,174 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)] === [2025-03-04 12:48:58,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:48:58,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2127630540, now seen corresponding path program 1 times [2025-03-04 12:48:58,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 12:48:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735944186] [2025-03-04 12:48:58,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:48:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:48:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 12:48:58,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 12:48:58,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 12:48:58,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 12:48:58,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 12:48:58,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:48:58,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:48:58,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 12:48:58,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 12:48:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:48:58,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 12:48:58,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 12:48:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735944186] [2025-03-04 12:48:58,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735944186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:48:58,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:48:58,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 12:48:58,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421890213] [2025-03-04 12:48:58,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:48:58,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 12:48:58,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 12:48:58,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 12:48:58,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 12:48:58,299 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-04 12:49:02,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 12:49:06,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 12:49:10,372 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 [] [2025-03-04 12:49:10,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:49:10,410 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2025-03-04 12:49:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 12:49:10,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 19 [2025-03-04 12:49:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:49:10,414 INFO L225 Difference]: With dead ends: 26 [2025-03-04 12:49:10,414 INFO L226 Difference]: Without dead ends: 25 [2025-03-04 12:49:10,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 12:49:10,415 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 53 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 [2025-03-04 12:49:10,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 53 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2025-03-04 12:49:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-03-04 12:49:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2025-03-04 12:49:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 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) [2025-03-04 12:49:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2025-03-04 12:49:10,417 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2025-03-04 12:49:10,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:49:10,417 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2025-03-04 12:49:10,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-04 12:49:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2025-03-04 12:49:10,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 12:49:10,419 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:49:10,419 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] [2025-03-04 12:49:10,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 12:49:10,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:49:10,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-04 12:49:10,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:49:10,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1532036445, now seen corresponding path program 1 times [2025-03-04 12:49:10,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 12:49:10,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069086059] [2025-03-04 12:49:10,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:49:10,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:49:10,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 12:49:10,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 12:49:10,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 12:49:10,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 12:49:10,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 12:49:10,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:49:10,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:49:10,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 12:49:10,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 12:49:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:49:10,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 12:49:10,722 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 12:49:10,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069086059] [2025-03-04 12:49:10,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069086059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:49:10,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:49:10,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 12:49:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439894004] [2025-03-04 12:49:10,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:49:10,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 12:49:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 12:49:10,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 12:49:10,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:49:10,723 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2025-03-04 12:49:10,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:49:10,733 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2025-03-04 12:49:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 12:49:10,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 [2025-03-04 12:49:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:49:10,734 INFO L225 Difference]: With dead ends: 29 [2025-03-04 12:49:10,734 INFO L226 Difference]: Without dead ends: 24 [2025-03-04 12:49:10,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:49:10,734 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 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 [2025-03-04 12:49:10,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 12:49:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-03-04 12:49:10,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2025-03-04 12:49:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) 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) [2025-03-04 12:49:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2025-03-04 12:49:10,741 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2025-03-04 12:49:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:49:10,741 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2025-03-04 12:49:10,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2025-03-04 12:49:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2025-03-04 12:49:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-04 12:49:10,742 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:49:10,742 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] [2025-03-04 12:49:10,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 12:49:10,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 12:49:10,942 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-04 12:49:10,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:49:10,944 INFO L85 PathProgramCache]: Analyzing trace with hash -248516398, now seen corresponding path program 1 times [2025-03-04 12:49:10,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 12:49:10,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840313733] [2025-03-04 12:49:10,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:49:10,944 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 [2025-03-04 12:49:10,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 12:49:10,946 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) [2025-03-04 12:49:10,947 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 [2025-03-04 12:49:10,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 12:49:50,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 12:49:50,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:49:50,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:49:50,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 12:49:50,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 12:49:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:49:50,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 12:49:50,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 12:49:50,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840313733] [2025-03-04 12:49:50,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840313733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:49:50,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:49:50,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 12:49:50,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776828345] [2025-03-04 12:49:50,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:49:50,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 12:49:50,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 12:49:50,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 12:49:50,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 12:49:50,766 INFO L87 Difference]: Start difference. First operand 24 states and 24 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, (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) [2025-03-04 12:49:54,924 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] [2025-03-04 12:49:58,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-04 12:50:02,929 WARN L539 Checker$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] [2025-03-04 12:50:06,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-04 12:50:10,937 WARN L539 Checker$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] [2025-03-04 12:50:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:50:10,937 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2025-03-04 12:50:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 12:50:10,941 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, (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 [2025-03-04 12:50:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:50:10,941 INFO L225 Difference]: With dead ends: 24 [2025-03-04 12:50:10,941 INFO L226 Difference]: Without dead ends: 23 [2025-03-04 12:50:10,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 12:50:10,942 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2025-03-04 12:50:10,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2025-03-04 12:50:10,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-04 12:50:10,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-03-04 12:50:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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) [2025-03-04 12:50:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2025-03-04 12:50:10,946 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2025-03-04 12:50:10,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:50:10,946 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2025-03-04 12:50:10,946 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, (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) [2025-03-04 12:50:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2025-03-04 12:50:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 12:50:10,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:50:10,946 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] [2025-03-04 12:50:10,956 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 [2025-03-04 12:50:11,147 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 [2025-03-04 12:50:11,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-04 12:50:11,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:50:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash 885926239, now seen corresponding path program 1 times [2025-03-04 12:50:11,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 12:50:11,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036917430] [2025-03-04 12:50:11,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:50:11,148 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 [2025-03-04 12:50:11,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 12:50:11,150 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) [2025-03-04 12:50:11,150 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 [2025-03-04 12:50:11,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes.