./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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_rand_square_17_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 b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 04:44:46,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 04:44:46,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 04:44:46,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 04:44:46,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 04:44:46,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 04:44:46,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 04:44:46,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 04:44:46,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 04:44:46,295 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 04:44:46,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 04:44:46,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 04:44:46,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 04:44:46,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 04:44:46,295 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 04:44:46,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 04:44:46,296 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 04:44:46,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:44:46,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 04:44:46,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 04:44:46,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 04:44:46,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 04:44:46,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 04:44:46,298 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 -> b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a [2025-03-09 04:44:46,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 04:44:46,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 04:44:46,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 04:44:46,501 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 04:44:46,501 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 04:44:46,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2025-03-09 04:44:47,662 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b31f060/0f956c5c0dc244f8af9623a4db363a4a/FLAG5077321e4 [2025-03-09 04:44:48,051 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 04:44:48,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2025-03-09 04:44:48,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b31f060/0f956c5c0dc244f8af9623a4db363a4a/FLAG5077321e4 [2025-03-09 04:44:48,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b31f060/0f956c5c0dc244f8af9623a4db363a4a [2025-03-09 04:44:48,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 04:44:48,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 04:44:48,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 04:44:48,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 04:44:48,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 04:44:48,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:44:48" (1/1) ... [2025-03-09 04:44:48,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6e798e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:48, skipping insertion in model container [2025-03-09 04:44:48,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:44:48" (1/1) ... [2025-03-09 04:44:48,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 04:44:48,909 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.handleLoopBody(CHandler.java:3684) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-09 04:44:48,914 INFO L158 Benchmark]: Toolchain (without parser) took 818.13ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 76.8MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 04:44:48,914 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 04:44:48,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.74ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 76.8MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 04:44:48,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.74ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 76.8MB in the end (delta: 23.9MB). 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: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_rand_square_17_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 b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 04:44:50,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 04:44:50,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-09 04:44:50,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 04:44:50,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 04:44:50,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-09 04:44:50,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 04:44:50,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 04:44:50,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 04:44:50,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 04:44:50,663 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 04:44:50,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 04:44:50,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 04:44:50,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 04:44:50,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 04:44:50,663 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 04:44:50,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 04:44:50,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 04:44:50,665 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 04:44:50,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:44:50,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 04:44:50,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 04:44:50,666 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 -> b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a [2025-03-09 04:44:50,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 04:44:50,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 04:44:50,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 04:44:50,902 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 04:44:50,902 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 04:44:50,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2025-03-09 04:44:52,026 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db698f20b/8b96b0a082ee4b639b50994f5223e2dd/FLAGe5b7c2291 [2025-03-09 04:44:52,413 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 04:44:52,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2025-03-09 04:44:52,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db698f20b/8b96b0a082ee4b639b50994f5223e2dd/FLAGe5b7c2291 [2025-03-09 04:44:52,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db698f20b/8b96b0a082ee4b639b50994f5223e2dd [2025-03-09 04:44:52,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 04:44:52,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 04:44:52,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 04:44:52,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 04:44:52,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 04:44:52,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:44:52" (1/1) ... [2025-03-09 04:44:52,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b60205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:52, skipping insertion in model container [2025-03-09 04:44:52,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:44:52" (1/1) ... [2025-03-09 04:44:52,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 04:44:53,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 04:44:53,447 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 04:44:53,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 04:44:53,698 INFO L204 MainTranslator]: Completed translation [2025-03-09 04:44:53,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53 WrapperNode [2025-03-09 04:44:53,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 04:44:53,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 04:44:53,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 04:44:53,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 04:44:53,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,747 INFO L138 Inliner]: procedures = 942, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2025-03-09 04:44:53,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 04:44:53,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 04:44:53,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 04:44:53,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 04:44:53,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,766 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 04:44:53,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 04:44:53,788 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 04:44:53,788 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 04:44:53,788 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 04:44:53,794 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (1/1) ... [2025-03-09 04:44:53,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:44:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:44:53,819 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) [2025-03-09 04:44:53,821 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 [2025-03-09 04:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 04:44:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 04:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 04:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 04:44:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 04:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 04:44:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 04:44:53,960 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 04:44:53,961 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 04:44:55,450 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-03-09 04:44:55,450 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 04:44:55,458 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 04:44:55,458 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 04:44:55,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 04:44:55 BoogieIcfgContainer [2025-03-09 04:44:55,459 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 04:44:55,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 04:44:55,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 04:44:55,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 04:44:55,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 04:44:52" (1/3) ... [2025-03-09 04:44:55,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63575178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:44:55, skipping insertion in model container [2025-03-09 04:44:55,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:44:53" (2/3) ... [2025-03-09 04:44:55,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63575178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:44:55, skipping insertion in model container [2025-03-09 04:44:55,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 04:44:55" (3/3) ... [2025-03-09 04:44:55,466 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_17_good.i [2025-03-09 04:44:55,476 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 04:44:55,477 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_square_17_good.i that has 3 procedures, 59 locations, 1 initial locations, 4 loop locations, and 13 error locations. [2025-03-09 04:44:55,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 04:44:55,529 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;@7b4087d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 04:44:55,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-09 04:44:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 52 states have internal predecessors, (59), 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) [2025-03-09 04:44:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 04:44:55,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:44:55,537 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:44:55,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:44:55,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:44:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash -730406357, now seen corresponding path program 1 times [2025-03-09 04:44:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:44:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87119656] [2025-03-09 04:44:55,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:44:55,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:44:55,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:44:55,551 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) [2025-03-09 04:44:55,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 04:44:55,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 04:44:55,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 04:44:55,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:44:55,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:44:55,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 04:44:55,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:44:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 04:44:55,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:44:55,704 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:44:55,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87119656] [2025-03-09 04:44:55,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87119656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:44:55,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:44:55,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:44:55,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897770260] [2025-03-09 04:44:55,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:44:55,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 04:44:55,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:44:55,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 04:44:55,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 04:44:55,721 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 52 states have internal predecessors, (59), 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 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-03-09 04:44:59,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 04:45:03,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 04:45:07,835 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 [] [2025-03-09 04:45:08,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:45:08,647 INFO L93 Difference]: Finished difference Result 115 states and 143 transitions. [2025-03-09 04:45:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 04:45:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2025-03-09 04:45:08,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:45:08,654 INFO L225 Difference]: With dead ends: 115 [2025-03-09 04:45:08,654 INFO L226 Difference]: Without dead ends: 59 [2025-03-09 04:45:08,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 04:45:08,658 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 17 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2025-03-09 04:45:08,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 156 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2025-03-09 04:45:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-09 04:45:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2025-03-09 04:45:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.475) internal successors, (59), 48 states have internal predecessors, (59), 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) [2025-03-09 04:45:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2025-03-09 04:45:08,691 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 12 [2025-03-09 04:45:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:45:08,692 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2025-03-09 04:45:08,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-03-09 04:45:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2025-03-09 04:45:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 04:45:08,693 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:45:08,693 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:45:08,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 04:45:08,898 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 [2025-03-09 04:45:08,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:45:08,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:45:08,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1160125141, now seen corresponding path program 1 times [2025-03-09 04:45:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:45:08,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047836590] [2025-03-09 04:45:08,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:45:08,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:45:08,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:45:08,903 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) [2025-03-09 04:45:08,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 04:45:08,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 04:45:08,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 04:45:08,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:45:08,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:45:08,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 04:45:08,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:45:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 04:45:09,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:45:09,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:45:09,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047836590] [2025-03-09 04:45:09,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047836590] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:45:09,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:45:09,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:45:09,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495836470] [2025-03-09 04:45:09,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:45:09,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 04:45:09,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:45:09,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 04:45:09,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 04:45:09,010 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-03-09 04:45:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:45:09,044 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2025-03-09 04:45:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 04:45:09,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 13 [2025-03-09 04:45:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:45:09,045 INFO L225 Difference]: With dead ends: 97 [2025-03-09 04:45:09,045 INFO L226 Difference]: Without dead ends: 59 [2025-03-09 04:45:09,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 04:45:09,046 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 04:45:09,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 150 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 04:45:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-09 04:45:09,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-09 04:45:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 52 states have internal predecessors, (63), 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) [2025-03-09 04:45:09,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2025-03-09 04:45:09,052 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 13 [2025-03-09 04:45:09,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:45:09,053 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2025-03-09 04:45:09,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-03-09 04:45:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2025-03-09 04:45:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 04:45:09,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:45:09,054 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:45:09,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 04:45:09,258 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 [2025-03-09 04:45:09,258 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:45:09,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:45:09,258 INFO L85 PathProgramCache]: Analyzing trace with hash 891188071, now seen corresponding path program 1 times [2025-03-09 04:45:09,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:45:09,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34801392] [2025-03-09 04:45:09,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:45:09,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:45:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:45:09,261 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) [2025-03-09 04:45:09,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 04:45:09,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 04:45:09,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 04:45:09,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:45:09,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:45:09,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 04:45:09,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:45:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 04:45:09,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:45:09,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:45:09,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34801392] [2025-03-09 04:45:09,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34801392] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:45:09,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:45:09,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:45:09,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561229955] [2025-03-09 04:45:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:45:09,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 04:45:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:45:09,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 04:45:09,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 04:45:09,341 INFO L87 Difference]: Start difference. First operand 59 states and 73 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, (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) [2025-03-09 04:45:09,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:45:09,359 INFO L93 Difference]: Finished difference Result 96 states and 115 transitions. [2025-03-09 04:45:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 04:45:09,360 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, (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 18 [2025-03-09 04:45:09,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:45:09,361 INFO L225 Difference]: With dead ends: 96 [2025-03-09 04:45:09,361 INFO L226 Difference]: Without dead ends: 59 [2025-03-09 04:45:09,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 04:45:09,361 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 04:45:09,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 04:45:09,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-09 04:45:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-09 04:45:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 52 states have internal predecessors, (62), 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) [2025-03-09 04:45:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2025-03-09 04:45:09,370 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 18 [2025-03-09 04:45:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:45:09,370 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2025-03-09 04:45:09,370 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, (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) [2025-03-09 04:45:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2025-03-09 04:45:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 04:45:09,371 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:45:09,371 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:45:09,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 04:45:09,571 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 [2025-03-09 04:45:09,571 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:45:09,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:45:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash 898822639, now seen corresponding path program 1 times [2025-03-09 04:45:09,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:45:09,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487573735] [2025-03-09 04:45:09,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:45:09,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:45:09,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:45:09,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 04:45:09,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 04:45:09,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 04:45:09,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 04:45:09,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:45:09,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:45:09,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 04:45:09,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:45:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 04:45:09,660 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 04:45:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 04:45:09,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:45:09,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487573735] [2025-03-09 04:45:09,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487573735] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 04:45:09,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 04:45:09,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-09 04:45:09,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309033276] [2025-03-09 04:45:09,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 04:45:09,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 04:45:09,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:45:09,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 04:45:09,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 04:45:09,728 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2025-03-09 04:45:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:45:09,762 INFO L93 Difference]: Finished difference Result 104 states and 127 transitions. [2025-03-09 04:45:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 04:45:09,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 18 [2025-03-09 04:45:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:45:09,763 INFO L225 Difference]: With dead ends: 104 [2025-03-09 04:45:09,763 INFO L226 Difference]: Without dead ends: 54 [2025-03-09 04:45:09,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 04:45:09,764 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 04:45:09,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 334 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 04:45:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-03-09 04:45:09,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-03-09 04:45:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.375) internal successors, (55), 47 states have internal predecessors, (55), 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) [2025-03-09 04:45:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2025-03-09 04:45:09,772 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 18 [2025-03-09 04:45:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:45:09,772 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2025-03-09 04:45:09,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2025-03-09 04:45:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2025-03-09 04:45:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-09 04:45:09,773 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:45:09,773 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:45:09,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 04:45:09,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:45:09,974 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:45:09,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:45:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1856999589, now seen corresponding path program 1 times [2025-03-09 04:45:09,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:45:09,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534483626] [2025-03-09 04:45:09,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:45:09,975 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 [2025-03-09 04:45:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 04:45:09,977 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) [2025-03-09 04:45:09,978 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 [2025-03-09 04:45:10,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 04:45:49,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 04:45:49,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:45:49,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:45:49,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 04:45:49,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:45:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 04:45:50,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:45:50,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:45:50,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534483626] [2025-03-09 04:45:50,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534483626] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:45:50,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:45:50,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 04:45:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306291636] [2025-03-09 04:45:50,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:45:50,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 04:45:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:45:50,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 04:45:50,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 04:45:50,240 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 04:45:54,515 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] [2025-03-09 04:45:58,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 04:46:02,523 WARN L539 Checker$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] [2025-03-09 04:46:06,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 04:46:10,526 WARN L539 Checker$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] [2025-03-09 04:46:10,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:46:10,775 INFO L93 Difference]: Finished difference Result 101 states and 119 transitions. [2025-03-09 04:46:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 04:46:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-03-09 04:46:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:46:10,777 INFO L225 Difference]: With dead ends: 101 [2025-03-09 04:46:10,777 INFO L226 Difference]: Without dead ends: 64 [2025-03-09 04:46:10,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 04:46:10,777 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 33 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2025-03-09 04:46:10,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 179 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2025-03-09 04:46:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-09 04:46:10,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2025-03-09 04:46:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 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) [2025-03-09 04:46:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2025-03-09 04:46:10,786 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 19 [2025-03-09 04:46:10,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:46:10,787 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2025-03-09 04:46:10,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 04:46:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2025-03-09 04:46:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-09 04:46:10,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:46:10,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:46:10,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-09 04:46:10,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 04:46:10,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:46:10,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:46:10,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1857395842, now seen corresponding path program 1 times [2025-03-09 04:46:10,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:46:10,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001452004] [2025-03-09 04:46:10,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:46:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:46:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:46:10,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 04:46:10,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 04:46:11,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 04:46:11,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 04:46:11,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:46:11,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:46:11,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 04:46:11,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:46:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 04:46:11,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:46:11,066 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:46:11,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001452004] [2025-03-09 04:46:11,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001452004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:46:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:46:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:46:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744267339] [2025-03-09 04:46:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:46:11,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 04:46:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:46:11,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 04:46:11,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 04:46:11,067 INFO L87 Difference]: Start difference. First operand 60 states and 73 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, (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) [2025-03-09 04:46:11,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:46:11,085 INFO L93 Difference]: Finished difference Result 93 states and 113 transitions. [2025-03-09 04:46:11,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 04:46:11,086 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-03-09 04:46:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:46:11,086 INFO L225 Difference]: With dead ends: 93 [2025-03-09 04:46:11,086 INFO L226 Difference]: Without dead ends: 75 [2025-03-09 04:46:11,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 04:46:11,087 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 10 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 04:46:11,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 04:46:11,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-09 04:46:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2025-03-09 04:46:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 53 states have internal predecessors, (64), 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) [2025-03-09 04:46:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 74 transitions. [2025-03-09 04:46:11,095 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 74 transitions. Word has length 19 [2025-03-09 04:46:11,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:46:11,095 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 74 transitions. [2025-03-09 04:46:11,096 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, (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) [2025-03-09 04:46:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2025-03-09 04:46:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 04:46:11,096 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:46:11,096 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] [2025-03-09 04:46:11,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 04:46:11,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:46:11,297 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 04:46:11,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:46:11,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1732412419, now seen corresponding path program 1 times [2025-03-09 04:46:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:46:11,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564618736] [2025-03-09 04:46:11,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:46:11,298 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 [2025-03-09 04:46:11,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 04:46:11,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-09 04:46:11,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2025-03-09 04:46:11,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes.