./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:29:21,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:29:21,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 22:29:21,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:29:21,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:29:21,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:29:21,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:29:21,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:29:21,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:29:21,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:29:21,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:29:21,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:29:21,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:29:21,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:29:21,681 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:29:21,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:29:21,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:29:21,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 22:29:21,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:29:21,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:29:21,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:29:21,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:29:21,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:29:21,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:29:21,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:29:21,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:29:21,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:29:21,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:29:21,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:29:21,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:29:21,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:29:21,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:29:21,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:29:21,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:29:21,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:29:21,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 22:29:21,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 22:29:21,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:29:21,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:29:21,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:29:21,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:29:21,695 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 [2024-10-11 22:29:21,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:29:21,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:29:21,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:29:21,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:29:21,920 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:29:21,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-10-11 22:29:23,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:29:23,398 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:29:23,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-10-11 22:29:23,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d5e108f4b/9fed12cd639f472daa907ea207723513/FLAGb52d33538 [2024-10-11 22:29:23,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d5e108f4b/9fed12cd639f472daa907ea207723513 [2024-10-11 22:29:23,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:29:23,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:29:23,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:29:23,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:29:23,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:29:23,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:29:23" (1/1) ... [2024-10-11 22:29:23,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffc178c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:23, skipping insertion in model container [2024-10-11 22:29:23,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:29:23" (1/1) ... [2024-10-11 22:29:23,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:29:24,393 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2916) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) 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:1009) 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:789) 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:789) 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:1736) 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:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) 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.visit(CHandler.java:1767) 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:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) 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:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) 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:3465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2491) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 22:29:24,397 INFO L158 Benchmark]: Toolchain (without parser) took 960.25ms. Allocated memory is still 157.3MB. Free memory was 84.1MB in the beginning and 117.3MB in the end (delta: -33.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-10-11 22:29:24,397 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:29:24,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.73ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 117.3MB in the end (delta: -33.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-10-11 22:29:24,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.73ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 117.3MB in the end (delta: -33.4MB). Peak memory consumption was 21.1MB. 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:610) 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:29:26,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:29:26,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 22:29:26,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:29:26,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:29:26,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 22:29:26,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:29:26,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:29:26,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:29:26,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:29:26,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:29:26,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:29:26,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:29:26,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:29:26,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:29:26,123 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:29:26,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:29:26,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:29:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:29:26,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:29:26,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:29:26,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 22:29:26,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:29:26,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:29:26,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:29:26,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:29:26,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:29:26,131 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 22:29:26,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 22:29:26,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:29:26,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:29:26,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:29:26,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:29:26,133 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 22:29:26,133 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 [2024-10-11 22:29:26,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:29:26,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:29:26,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:29:26,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:29:26,407 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:29:26,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-10-11 22:29:27,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:29:28,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:29:28,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-10-11 22:29:28,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/09b983541/0f80f52434e945289da18961318b7b84/FLAG8fff4df93 [2024-10-11 22:29:28,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/09b983541/0f80f52434e945289da18961318b7b84 [2024-10-11 22:29:28,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:29:28,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:29:28,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:29:28,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:29:28,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:29:28,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:29:28" (1/1) ... [2024-10-11 22:29:28,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499ca500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:28, skipping insertion in model container [2024-10-11 22:29:28,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:29:28" (1/1) ... [2024-10-11 22:29:28,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:29:29,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:29:29,022 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 22:29:29,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:29:29,305 INFO L204 MainTranslator]: Completed translation [2024-10-11 22:29:29,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29 WrapperNode [2024-10-11 22:29:29,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 22:29:29,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 22:29:29,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 22:29:29,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 22:29:29,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,370 INFO L138 Inliner]: procedures = 946, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2024-10-11 22:29:29,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 22:29:29,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 22:29:29,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 22:29:29,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 22:29:29,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,387 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,402 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 22:29:29,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 22:29:29,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 22:29:29,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 22:29:29,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 22:29:29,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (1/1) ... [2024-10-11 22:29:29,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:29:29,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:29:29,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 22:29:29,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 22:29:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 22:29:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 22:29:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 22:29:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 22:29:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 22:29:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-11 22:29:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-11 22:29:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 22:29:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 22:29:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-11 22:29:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-11 22:29:29,640 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 22:29:29,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 22:29:37,192 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-11 22:29:37,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 22:29:37,222 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 22:29:37,226 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 22:29:37,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:29:37 BoogieIcfgContainer [2024-10-11 22:29:37,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 22:29:37,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 22:29:37,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 22:29:37,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 22:29:37,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:29:28" (1/3) ... [2024-10-11 22:29:37,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6c4fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:29:37, skipping insertion in model container [2024-10-11 22:29:37,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:29:29" (2/3) ... [2024-10-11 22:29:37,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6c4fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:29:37, skipping insertion in model container [2024-10-11 22:29:37,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:29:37" (3/3) ... [2024-10-11 22:29:37,232 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_08_good.i [2024-10-11 22:29:37,245 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 22:29:37,246 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 22:29:37,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 22:29:37,307 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;@6c2c3c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 22:29:37,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-11 22:29:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 53 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:29:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 22:29:37,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:37,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:37,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:37,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:37,321 INFO L85 PathProgramCache]: Analyzing trace with hash -852043684, now seen corresponding path program 1 times [2024-10-11 22:29:37,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:37,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694001848] [2024-10-11 22:29:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:37,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:37,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:37,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 22:29:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:37,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:29:37,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:29:37,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:37,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:37,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694001848] [2024-10-11 22:29:37,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694001848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:37,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:37,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:29:37,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237252416] [2024-10-11 22:29:37,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:37,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:29:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:29:37,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:37,518 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 53 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:38,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 22:29:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:38,892 INFO L93 Difference]: Finished difference Result 147 states and 197 transitions. [2024-10-11 22:29:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:29:38,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2024-10-11 22:29:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:38,899 INFO L225 Difference]: With dead ends: 147 [2024-10-11 22:29:38,900 INFO L226 Difference]: Without dead ends: 82 [2024-10-11 22:29:38,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:38,904 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 8 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:38,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 197 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 22:29:38,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-11 22:29:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2024-10-11 22:29:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 55 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:29:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2024-10-11 22:29:38,937 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 17 [2024-10-11 22:29:38,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:38,938 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2024-10-11 22:29:38,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2024-10-11 22:29:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 22:29:38,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:38,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:38,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 22:29:39,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,141 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:39,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:39,141 INFO L85 PathProgramCache]: Analyzing trace with hash 922963678, now seen corresponding path program 1 times [2024-10-11 22:29:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:39,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104766200] [2024-10-11 22:29:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:39,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:39,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:39,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 22:29:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:39,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:39,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:29:39,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:39,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:39,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104766200] [2024-10-11 22:29:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104766200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:39,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:39,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480091852] [2024-10-11 22:29:39,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:39,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:39,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:39,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:39,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:39,259 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:39,328 INFO L93 Difference]: Finished difference Result 131 states and 172 transitions. [2024-10-11 22:29:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2024-10-11 22:29:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:39,330 INFO L225 Difference]: With dead ends: 131 [2024-10-11 22:29:39,331 INFO L226 Difference]: Without dead ends: 66 [2024-10-11 22:29:39,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:39,333 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:39,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 22:29:39,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-11 22:29:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-11 22:29:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.435897435897436) internal successors, (56), 46 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 22:29:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2024-10-11 22:29:39,339 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 17 [2024-10-11 22:29:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:39,339 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2024-10-11 22:29:39,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2024-10-11 22:29:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 22:29:39,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:39,340 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:39,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 22:29:39,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:39,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:39,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1524900512, now seen corresponding path program 1 times [2024-10-11 22:29:39,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:39,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687100598] [2024-10-11 22:29:39,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:39,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:39,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:39,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 22:29:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:39,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:39,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:29:39,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:39,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:39,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687100598] [2024-10-11 22:29:39,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687100598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:39,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:39,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:39,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543722995] [2024-10-11 22:29:39,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:39,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:39,625 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:39,704 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2024-10-11 22:29:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:39,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-10-11 22:29:39,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:39,705 INFO L225 Difference]: With dead ends: 121 [2024-10-11 22:29:39,705 INFO L226 Difference]: Without dead ends: 66 [2024-10-11 22:29:39,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:29:39,706 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 9 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:39,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 213 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 22:29:39,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-11 22:29:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-11 22:29:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 22:29:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-10-11 22:29:39,712 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 19 [2024-10-11 22:29:39,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:39,713 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-11 22:29:39,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-10-11 22:29:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 22:29:39,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:39,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:39,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 22:29:39,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,914 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:39,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash 23400878, now seen corresponding path program 1 times [2024-10-11 22:29:39,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:39,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611222341] [2024-10-11 22:29:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:39,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:39,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:39,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:39,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-11 22:29:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:39,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:39,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:29:40,030 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:40,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:40,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611222341] [2024-10-11 22:29:40,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611222341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:40,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:40,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:40,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544028045] [2024-10-11 22:29:40,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:40,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:40,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:40,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:40,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:40,036 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:40,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:40,080 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2024-10-11 22:29:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:40,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-11 22:29:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:40,083 INFO L225 Difference]: With dead ends: 66 [2024-10-11 22:29:40,084 INFO L226 Difference]: Without dead ends: 63 [2024-10-11 22:29:40,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:29:40,084 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:40,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 212 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:40,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-11 22:29:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-11 22:29:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 43 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 22:29:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2024-10-11 22:29:40,090 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 20 [2024-10-11 22:29:40,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:40,090 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2024-10-11 22:29:40,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:29:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2024-10-11 22:29:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 22:29:40,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:40,091 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:40,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:40,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:40,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:40,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:40,293 INFO L85 PathProgramCache]: Analyzing trace with hash -370045499, now seen corresponding path program 1 times [2024-10-11 22:29:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339269890] [2024-10-11 22:29:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:40,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:40,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:40,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:29:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:40,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:40,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 22:29:40,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:40,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339269890] [2024-10-11 22:29:40,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339269890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:40,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:40,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:40,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221671350] [2024-10-11 22:29:40,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:40,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:40,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:40,389 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:40,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:40,410 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2024-10-11 22:29:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:40,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 32 [2024-10-11 22:29:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:40,413 INFO L225 Difference]: With dead ends: 112 [2024-10-11 22:29:40,413 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 22:29:40,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:40,415 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:40,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:40,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 22:29:40,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-11 22:29:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 42 states have internal predecessors, (50), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 22:29:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2024-10-11 22:29:40,423 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 32 [2024-10-11 22:29:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:40,423 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2024-10-11 22:29:40,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2024-10-11 22:29:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 22:29:40,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:40,426 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1] [2024-10-11 22:29:40,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:29:40,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:40,626 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:40,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:40,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1118964104, now seen corresponding path program 1 times [2024-10-11 22:29:40,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:40,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446856714] [2024-10-11 22:29:40,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:40,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:40,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:40,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:40,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (7)] Waiting until timeout for monitored process [2024-10-11 22:29:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:40,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:29:40,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 22:29:40,693 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:40,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:40,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446856714] [2024-10-11 22:29:40,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446856714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:40,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:40,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:29:40,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161789814] [2024-10-11 22:29:40,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:40,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:29:40,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:40,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:29:40,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:40,695 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:41,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:41,685 INFO L93 Difference]: Finished difference Result 107 states and 136 transitions. [2024-10-11 22:29:41,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:29:41,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2024-10-11 22:29:41,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:41,687 INFO L225 Difference]: With dead ends: 107 [2024-10-11 22:29:41,687 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 22:29:41,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:41,688 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:41,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 136 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 22:29:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 22:29:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2024-10-11 22:29:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 48 states have internal predecessors, (59), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 22:29:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 89 transitions. [2024-10-11 22:29:41,697 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 89 transitions. Word has length 35 [2024-10-11 22:29:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:41,697 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 89 transitions. [2024-10-11 22:29:41,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2024-10-11 22:29:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 22:29:41,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:41,698 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1] [2024-10-11 22:29:41,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (7)] Ended with exit code 0 [2024-10-11 22:29:41,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:41,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:41,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:41,899 INFO L85 PathProgramCache]: Analyzing trace with hash 656043258, now seen corresponding path program 1 times [2024-10-11 22:29:41,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:41,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704515159] [2024-10-11 22:29:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:41,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:41,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:41,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:29:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:41,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:41,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 22:29:41,966 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:41,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:41,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704515159] [2024-10-11 22:29:41,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704515159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:41,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:41,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339855593] [2024-10-11 22:29:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:41,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:41,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:41,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:41,968 INFO L87 Difference]: Start difference. First operand 68 states and 89 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:41,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:41,985 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2024-10-11 22:29:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:41,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2024-10-11 22:29:41,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:41,986 INFO L225 Difference]: With dead ends: 103 [2024-10-11 22:29:41,986 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 22:29:41,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:41,987 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:41,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 22:29:41,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 22:29:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 39 states have internal predecessors, (45), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 22:29:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2024-10-11 22:29:41,991 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 35 [2024-10-11 22:29:41,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:41,992 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2024-10-11 22:29:41,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2024-10-11 22:29:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 22:29:41,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:41,993 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1, 1, 1] [2024-10-11 22:29:41,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:42,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:42,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1582551556, now seen corresponding path program 1 times [2024-10-11 22:29:42,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:42,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738286441] [2024-10-11 22:29:42,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:42,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:42,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:42,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (9)] Waiting until timeout for monitored process [2024-10-11 22:29:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:42,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:42,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 22:29:42,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:42,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:42,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738286441] [2024-10-11 22:29:42,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738286441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:42,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:42,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:42,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762375483] [2024-10-11 22:29:42,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:42,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:42,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:42,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:42,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:42,289 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:42,353 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions. [2024-10-11 22:29:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-10-11 22:29:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:42,355 INFO L225 Difference]: With dead ends: 95 [2024-10-11 22:29:42,355 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 22:29:42,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:29:42,356 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 8 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:42,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 170 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 22:29:42,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 22:29:42,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 22:29:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 39 states have internal predecessors, (44), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 22:29:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2024-10-11 22:29:42,360 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 37 [2024-10-11 22:29:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:42,360 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2024-10-11 22:29:42,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2024-10-11 22:29:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 22:29:42,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:42,361 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1, 1, 1, 1] [2024-10-11 22:29:42,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (9)] Ended with exit code 0 [2024-10-11 22:29:42,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,566 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:42,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:42,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1818332684, now seen corresponding path program 1 times [2024-10-11 22:29:42,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:42,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809437671] [2024-10-11 22:29:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:42,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:42,568 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:42,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (10)] Waiting until timeout for monitored process [2024-10-11 22:29:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:42,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:42,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 22:29:42,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:42,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:42,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809437671] [2024-10-11 22:29:42,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809437671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:42,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:42,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:42,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945515323] [2024-10-11 22:29:42,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:42,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:42,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:42,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:42,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:42,664 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:42,691 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2024-10-11 22:29:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:42,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2024-10-11 22:29:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:42,692 INFO L225 Difference]: With dead ends: 57 [2024-10-11 22:29:42,692 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 22:29:42,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:29:42,693 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:42,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 169 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 22:29:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 22:29:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 36 states have internal predecessors, (41), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 22:29:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-10-11 22:29:42,698 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 38 [2024-10-11 22:29:42,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:42,698 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-10-11 22:29:42,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 22:29:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-10-11 22:29:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 22:29:42,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:42,700 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:42,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (10)] Ended with exit code 0 [2024-10-11 22:29:42,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,901 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1456703168, now seen corresponding path program 1 times [2024-10-11 22:29:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322934243] [2024-10-11 22:29:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:42,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:42,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:42,903 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:42,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (11)] Waiting until timeout for monitored process [2024-10-11 22:29:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:42,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:42,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 22:29:42,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:42,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322934243] [2024-10-11 22:29:42,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322934243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:42,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891184484] [2024-10-11 22:29:42,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:42,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:42,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:42,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:42,980 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:29:42,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:42,996 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2024-10-11 22:29:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:42,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2024-10-11 22:29:42,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:42,999 INFO L225 Difference]: With dead ends: 86 [2024-10-11 22:29:42,999 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 22:29:43,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:43,000 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:43,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 22:29:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 22:29:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 36 states have internal predecessors, (40), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 22:29:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2024-10-11 22:29:43,007 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 43 [2024-10-11 22:29:43,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:43,008 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2024-10-11 22:29:43,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:29:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2024-10-11 22:29:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 22:29:43,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:43,009 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:43,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (11)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:43,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:43,210 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:43,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 206114239, now seen corresponding path program 1 times [2024-10-11 22:29:43,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:43,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549637933] [2024-10-11 22:29:43,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:43,212 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:43,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (12)] Waiting until timeout for monitored process [2024-10-11 22:29:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:43,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:29:43,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 22:29:43,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:43,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:43,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549637933] [2024-10-11 22:29:43,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549637933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:43,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:43,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:29:43,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851865598] [2024-10-11 22:29:43,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:43,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:29:43,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:43,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:29:43,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:43,295 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:29:45,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 22:29:45,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:45,452 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2024-10-11 22:29:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:29:45,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2024-10-11 22:29:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:45,459 INFO L225 Difference]: With dead ends: 61 [2024-10-11 22:29:45,459 INFO L226 Difference]: Without dead ends: 59 [2024-10-11 22:29:45,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:45,460 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:45,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 115 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 22:29:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-11 22:29:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-10-11 22:29:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 39 states have internal predecessors, (44), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 22:29:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-10-11 22:29:45,468 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 52 [2024-10-11 22:29:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:45,470 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-10-11 22:29:45,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:29:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-10-11 22:29:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 22:29:45,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:45,472 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:45,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (12)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:45,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:45,672 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:45,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash -17222227, now seen corresponding path program 1 times [2024-10-11 22:29:45,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:45,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600409926] [2024-10-11 22:29:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:45,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:45,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (13)] Waiting until timeout for monitored process [2024-10-11 22:29:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:45,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:45,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 22:29:45,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:45,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:45,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600409926] [2024-10-11 22:29:45,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600409926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:45,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:45,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119075010] [2024-10-11 22:29:45,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:45,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:45,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:45,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:45,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:45,763 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:29:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:45,779 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2024-10-11 22:29:45,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:45,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2024-10-11 22:29:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:45,780 INFO L225 Difference]: With dead ends: 77 [2024-10-11 22:29:45,780 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 22:29:45,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:45,781 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:45,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 22:29:45,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 22:29:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 22:29:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2024-10-11 22:29:45,784 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 58 [2024-10-11 22:29:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:45,784 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2024-10-11 22:29:45,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 22:29:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-10-11 22:29:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 22:29:45,785 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:45,785 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:45,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (13)] Ended with exit code 0 [2024-10-11 22:29:45,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:45,986 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:45,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:45,986 INFO L85 PathProgramCache]: Analyzing trace with hash -861394385, now seen corresponding path program 1 times [2024-10-11 22:29:45,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:45,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405965641] [2024-10-11 22:29:45,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:45,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:45,989 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:45,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (14)] Waiting until timeout for monitored process [2024-10-11 22:29:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:46,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:46,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 22:29:46,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:46,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:46,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405965641] [2024-10-11 22:29:46,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405965641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:46,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:46,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:46,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286752647] [2024-10-11 22:29:46,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:46,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:46,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:46,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:46,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:46,074 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-11 22:29:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:46,090 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2024-10-11 22:29:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:46,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2024-10-11 22:29:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:46,091 INFO L225 Difference]: With dead ends: 61 [2024-10-11 22:29:46,092 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 22:29:46,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:46,092 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:46,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 22:29:46,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 22:29:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 22:29:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2024-10-11 22:29:46,098 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 61 [2024-10-11 22:29:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:46,099 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2024-10-11 22:29:46,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-11 22:29:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2024-10-11 22:29:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 22:29:46,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:46,099 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 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, 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] [2024-10-11 22:29:46,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (14)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:46,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:46,300 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:46,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1895810582, now seen corresponding path program 1 times [2024-10-11 22:29:46,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:46,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352356524] [2024-10-11 22:29:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:46,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:46,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (15)] Waiting until timeout for monitored process [2024-10-11 22:29:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:46,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:29:46,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 22:29:46,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:46,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:46,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352356524] [2024-10-11 22:29:46,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352356524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:46,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:29:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063619579] [2024-10-11 22:29:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:46,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:29:46,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:46,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:29:46,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:46,433 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 22:29:46,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:46,582 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2024-10-11 22:29:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:29:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2024-10-11 22:29:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:46,588 INFO L225 Difference]: With dead ends: 56 [2024-10-11 22:29:46,588 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 22:29:46,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:29:46,589 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:46,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 107 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 22:29:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 22:29:46,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 22:29:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 22:29:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2024-10-11 22:29:46,593 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 67 [2024-10-11 22:29:46,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:46,593 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-10-11 22:29:46,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 22:29:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2024-10-11 22:29:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 22:29:46,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:29:46,594 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 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, 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] [2024-10-11 22:29:46,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (15)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:46,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:46,795 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 22:29:46,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:29:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1953068884, now seen corresponding path program 1 times [2024-10-11 22:29:46,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:29:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500446167] [2024-10-11 22:29:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:29:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:46,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:29:46,797 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 22:29:46,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (16)] Waiting until timeout for monitored process [2024-10-11 22:29:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:29:46,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 22:29:46,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:29:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 22:29:46,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:29:46,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:29:46,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500446167] [2024-10-11 22:29:46,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500446167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:29:46,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:29:46,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:29:46,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9787158] [2024-10-11 22:29:46,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:29:46,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:29:46,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:29:46,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:29:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:46,898 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 22:29:46,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:29:46,914 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2024-10-11 22:29:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:29:46,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2024-10-11 22:29:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:29:46,915 INFO L225 Difference]: With dead ends: 52 [2024-10-11 22:29:46,915 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 22:29:46,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:29:46,916 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:29:46,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:29:46,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 22:29:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 22:29:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 22:29:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 22:29:46,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-10-11 22:29:46,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:29:46,917 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 22:29:46,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 22:29:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 22:29:46,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 22:29:46,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-11 22:29:46,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-11 22:29:46,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-11 22:29:46,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-11 22:29:46,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (16)] Forceful destruction successful, exit code 0 [2024-10-11 22:29:47,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 22:29:47,124 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:29:47,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 22:29:47,158 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 22:29:47,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:29:47 BoogieIcfgContainer [2024-10-11 22:29:47,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 22:29:47,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 22:29:47,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 22:29:47,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 22:29:47,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:29:37" (3/4) ... [2024-10-11 22:29:47,171 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 22:29:47,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 22:29:47,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-11 22:29:47,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 22:29:47,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-11 22:29:47,177 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-10-11 22:29:47,177 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 22:29:47,178 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 22:29:47,178 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 22:29:47,262 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 22:29:47,262 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 22:29:47,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 22:29:47,263 INFO L158 Benchmark]: Toolchain (without parser) took 19159.98ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 24.9MB in the beginning and 25.7MB in the end (delta: -802.6kB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,263 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 24.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:29:47,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1202.50ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 24.7MB in the beginning and 25.9MB in the end (delta: -1.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.28ms. Allocated memory is still 81.8MB. Free memory was 25.9MB in the beginning and 49.3MB in the end (delta: -23.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,263 INFO L158 Benchmark]: Boogie Preprocessor took 53.82ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 46.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,263 INFO L158 Benchmark]: RCFGBuilder took 7798.64ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 24.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,264 INFO L158 Benchmark]: TraceAbstraction took 9940.38ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 23.5MB in the beginning and 32.1MB in the end (delta: -8.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,264 INFO L158 Benchmark]: Witness Printer took 93.54ms. Allocated memory is still 98.6MB. Free memory was 32.1MB in the beginning and 25.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 22:29:47,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 24.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1202.50ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 24.7MB in the beginning and 25.9MB in the end (delta: -1.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.28ms. Allocated memory is still 81.8MB. Free memory was 25.9MB in the beginning and 49.3MB in the end (delta: -23.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.82ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 46.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7798.64ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 24.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9940.38ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 23.5MB in the beginning and 32.1MB in the end (delta: -8.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 93.54ms. Allocated memory is still 98.6MB. Free memory was 32.1MB in the beginning and 25.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1875]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1877]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1877]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1917]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1917]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 76 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 2610 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1603 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1007 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=1, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 665 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1383 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 264/264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - ProcedureContractResult [Line: 1836]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: (0 == \result) - ProcedureContractResult [Line: 1832]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: (1 == \result) RESULT: Ultimate proved your program to be correct! [2024-10-11 22:29:47,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE