./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_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_61_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 1eb182441289a07fb60f1289633188e8287567f7f7eced1d155974ea7bfd4f36 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 04:46:45,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 04:46:45,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 04:46:45,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 04:46:45,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 04:46:45,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 04:46:45,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 04:46:45,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 04:46:45,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 04:46:45,951 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 04:46:45,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 04:46:45,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 04:46:45,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 04:46:45,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 04:46:45,953 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 04:46:45,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 04:46:45,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 04:46:45,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:46:45,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 04:46:45,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 04:46:45,954 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 04:46:45,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 04:46:45,955 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 -> 1eb182441289a07fb60f1289633188e8287567f7f7eced1d155974ea7bfd4f36 [2025-03-09 04:46:46,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 04:46:46,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 04:46:46,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 04:46:46,191 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 04:46:46,191 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 04:46:46,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_good.i [2025-03-09 04:46:47,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdef8eed2/4735d0711f754fe2b4e9f3c8e71bf58e/FLAGee02c76c7 [2025-03-09 04:46:47,696 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 04:46:47,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_good.i [2025-03-09 04:46:47,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdef8eed2/4735d0711f754fe2b4e9f3c8e71bf58e/FLAGee02c76c7 [2025-03-09 04:46:47,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdef8eed2/4735d0711f754fe2b4e9f3c8e71bf58e [2025-03-09 04:46:47,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 04:46:47,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 04:46:47,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 04:46:47,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 04:46:47,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 04:46:47,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:46:47" (1/1) ... [2025-03-09 04:46:47,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549819a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:47, skipping insertion in model container [2025-03-09 04:46:47,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:46:47" (1/1) ... [2025-03-09 04:46:47,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 04:46:48,669 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1808) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-09 04:46:48,674 INFO L158 Benchmark]: Toolchain (without parser) took 756.59ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 85.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 04:46:48,674 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 04:46:48,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.17ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 85.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 04:46:48,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.17ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 85.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_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 1eb182441289a07fb60f1289633188e8287567f7f7eced1d155974ea7bfd4f36 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 04:46:50,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 04:46:50,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-09 04:46:50,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 04:46:50,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 04:46:50,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-09 04:46:50,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 04:46:50,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 04:46:50,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 04:46:50,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 04:46:50,384 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 04:46:50,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 04:46:50,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 04:46:50,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 04:46:50,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 04:46:50,385 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 04:46:50,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 04:46:50,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 04:46:50,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 04:46:50,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 04:46:50,386 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 04:46:50,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:46:50,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 04:46:50,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 04:46:50,387 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 -> 1eb182441289a07fb60f1289633188e8287567f7f7eced1d155974ea7bfd4f36 [2025-03-09 04:46:50,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 04:46:50,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 04:46:50,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 04:46:50,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 04:46:50,644 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 04:46:50,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_good.i [2025-03-09 04:46:51,789 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824290f3c/a55370e31de54ff78e8cce64548a88b0/FLAGea2d8fa81 [2025-03-09 04:46:52,111 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 04:46:52,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_61_good.i [2025-03-09 04:46:52,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824290f3c/a55370e31de54ff78e8cce64548a88b0/FLAGea2d8fa81 [2025-03-09 04:46:52,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824290f3c/a55370e31de54ff78e8cce64548a88b0 [2025-03-09 04:46:52,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 04:46:52,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 04:46:52,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 04:46:52,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 04:46:52,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 04:46:52,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:46:52" (1/1) ... [2025-03-09 04:46:52,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c795b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:52, skipping insertion in model container [2025-03-09 04:46:52,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:46:52" (1/1) ... [2025-03-09 04:46:52,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 04:46:53,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 04:46:53,248 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 04:46:53,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 04:46:53,481 INFO L204 MainTranslator]: Completed translation [2025-03-09 04:46:53,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53 WrapperNode [2025-03-09 04:46:53,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 04:46:53,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 04:46:53,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 04:46:53,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 04:46:53,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,531 INFO L138 Inliner]: procedures = 944, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2025-03-09 04:46:53,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 04:46:53,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 04:46:53,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 04:46:53,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 04:46:53,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,547 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 04:46:53,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,552 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 04:46:53,564 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 04:46:53,564 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 04:46:53,564 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 04:46:53,565 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (1/1) ... [2025-03-09 04:46:53,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 04:46:53,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:46:53,591 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 04:46:53,593 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 04:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 04:46:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 04:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 04:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 04:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 04:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 04:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 04:46:53,724 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 04:46:53,726 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 04:46:56,448 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-03-09 04:46:56,448 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 04:46:56,454 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 04:46:56,455 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 04:46:56,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 04:46:56 BoogieIcfgContainer [2025-03-09 04:46:56,455 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 04:46:56,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 04:46:56,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 04:46:56,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 04:46:56,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 04:46:52" (1/3) ... [2025-03-09 04:46:56,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2f860f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:46:56, skipping insertion in model container [2025-03-09 04:46:56,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:46:53" (2/3) ... [2025-03-09 04:46:56,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2f860f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:46:56, skipping insertion in model container [2025-03-09 04:46:56,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 04:46:56" (3/3) ... [2025-03-09 04:46:56,462 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_61_good.i [2025-03-09 04:46:56,472 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 04:46:56,473 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_square_61_good.i that has 3 procedures, 40 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-09 04:46:56,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 04:46:56,513 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;@dcbea67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 04:46:56,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-09 04:46:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 04:46:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 04:46:56,520 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:46:56,520 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:46:56,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 04:46:56,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:46:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash -340553214, now seen corresponding path program 1 times [2025-03-09 04:46:56,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:46:56,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329345368] [2025-03-09 04:46:56,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:46:56,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:46:56,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:46:56,532 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 04:46:56,533 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 04:46:56,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 04:46:56,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 04:46:56,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:46:56,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:46:56,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 04:46:56,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:46:56,694 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 04:46:56,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:46:56,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:46:56,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329345368] [2025-03-09 04:46:56,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329345368] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:46:56,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:46:56,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:46:56,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337936887] [2025-03-09 04:46:56,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:46:56,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 04:46:56,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:46:56,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 04:46:56,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 04:46:56,716 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 04:46:56,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:46:56,799 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2025-03-09 04:46:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 04:46:56,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10 [2025-03-09 04:46:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:46:56,805 INFO L225 Difference]: With dead ends: 40 [2025-03-09 04:46:56,805 INFO L226 Difference]: Without dead ends: 28 [2025-03-09 04:46:56,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 04:46:56,811 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 04:46:56,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 121 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 04:46:56,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-03-09 04:46:56,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-03-09 04:46:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 23 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 04:46:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2025-03-09 04:46:56,841 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 10 [2025-03-09 04:46:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:46:56,842 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2025-03-09 04:46:56,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 04:46:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2025-03-09 04:46:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-09 04:46:56,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:46:56,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:46:56,853 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 04:46:57,045 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 04:46:57,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 04:46:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:46:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1224836166, now seen corresponding path program 1 times [2025-03-09 04:46:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:46:57,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9706978] [2025-03-09 04:46:57,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:46:57,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:46:57,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:46:57,050 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 04:46:57,051 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 04:46:57,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 04:46:57,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 04:46:57,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:46:57,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:46:57,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 04:46:57,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:46:57,178 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 04:46:57,178 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:46:57,178 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:46:57,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9706978] [2025-03-09 04:46:57,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9706978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:46:57,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:46:57,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:46:57,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042157784] [2025-03-09 04:46:57,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:46:57,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 04:46:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:46:57,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 04:46:57,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 04:46:57,182 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:47:01,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 04:47:05,254 WARN L539 Checker$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 04:47:09,256 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 04:47:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:47:09,300 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2025-03-09 04:47:09,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 04:47:09,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2025-03-09 04:47:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:47:09,305 INFO L225 Difference]: With dead ends: 29 [2025-03-09 04:47:09,305 INFO L226 Difference]: Without dead ends: 28 [2025-03-09 04:47:09,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 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 04:47:09,306 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2025-03-09 04:47:09,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2025-03-09 04:47:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-03-09 04:47:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2025-03-09 04:47:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 04:47:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2025-03-09 04:47:09,308 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 22 [2025-03-09 04:47:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:47:09,309 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2025-03-09 04:47:09,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:47:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2025-03-09 04:47:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-09 04:47:09,309 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:47:09,309 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:47:09,317 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 04:47:09,510 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 04:47:09,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 04:47:09,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:47:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 684785372, now seen corresponding path program 1 times [2025-03-09 04:47:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:47:09,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396971152] [2025-03-09 04:47:09,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:47:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 04:47:09,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 04:47:09,513 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 04:47:09,514 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 04:47:09,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 04:47:09,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 04:47:09,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:47:09,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:47:09,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 04:47:09,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:47:09,621 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 04:47:09,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:47:09,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:47:09,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396971152] [2025-03-09 04:47:09,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396971152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:47:09,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:47:09,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 04:47:09,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064227167] [2025-03-09 04:47:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:47:09,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 04:47:09,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:47:09,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 04:47:09,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 04:47:09,622 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:47:09,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:47:09,635 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2025-03-09 04:47:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 04:47:09,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-03-09 04:47:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:47:09,636 INFO L225 Difference]: With dead ends: 32 [2025-03-09 04:47:09,636 INFO L226 Difference]: Without dead ends: 27 [2025-03-09 04:47:09,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 04:47:09,637 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 04:47:09,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 04:47:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-03-09 04:47:09,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-03-09 04:47:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 04:47:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2025-03-09 04:47:09,639 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2025-03-09 04:47:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:47:09,639 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2025-03-09 04:47:09,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:47:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2025-03-09 04:47:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-09 04:47:09,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:47:09,640 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:47:09,648 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 04:47:09,841 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 04:47:09,841 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 04:47:09,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:47:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash -246516808, now seen corresponding path program 1 times [2025-03-09 04:47:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:47:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515119410] [2025-03-09 04:47:09,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:47:09,842 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 04:47:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 04:47:09,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-09 04:47:09,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-09 04:47:09,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-09 04:47:51,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-09 04:47:51,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 04:47:51,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 04:47:51,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 04:47:51,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 04:47:51,822 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 04:47:51,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 04:47:51,822 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 04:47:51,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515119410] [2025-03-09 04:47:51,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515119410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 04:47:51,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 04:47:51,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 04:47:51,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536929802] [2025-03-09 04:47:51,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 04:47:51,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 04:47:51,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 04:47:51,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 04:47:51,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 04:47:51,823 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:47:55,991 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 04:47:59,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 04:48:03,999 WARN L539 Checker$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 04:48:08,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 04:48:12,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 04:48:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 04:48:12,007 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2025-03-09 04:48:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 04:48:12,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-03-09 04:48:12,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 04:48:12,011 INFO L225 Difference]: With dead ends: 27 [2025-03-09 04:48:12,011 INFO L226 Difference]: Without dead ends: 26 [2025-03-09 04:48:12,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 04:48:12,012 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2025-03-09 04:48:12,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 83 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2025-03-09 04:48:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-09 04:48:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-09 04:48:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 04:48:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-03-09 04:48:12,014 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 24 [2025-03-09 04:48:12,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 04:48:12,014 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-03-09 04:48:12,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 04:48:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-03-09 04:48:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 04:48:12,015 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 04:48:12,015 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 04:48:12,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-09 04:48:12,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 04:48:12,216 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 04:48:12,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 04:48:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 947913528, now seen corresponding path program 1 times [2025-03-09 04:48:12,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 04:48:12,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50815860] [2025-03-09 04:48:12,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 04:48:12,217 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 04:48:12,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 04:48:12,219 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 04:48:12,220 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 04:48:12,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes.