./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:08:03,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:08:03,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:08:03,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:08:03,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:08:03,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:08:03,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:08:03,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:08:03,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:08:03,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:08:03,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:08:03,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:08:03,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:08:03,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:08:03,726 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:08:03,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:08:03,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:08:03,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:08:03,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:08:03,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:08:03,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:08:03,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:08:03,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:08:03,729 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:08:03,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:08:03,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:08:03,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:08:03,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:08:03,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:08:03,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:08:03,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:08:03,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:08:03,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:08:03,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:08:03,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:08:03,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:08:03,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:08:03,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:08:03,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:08:03,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:08:03,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:08:03,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b [2024-11-10 21:08:04,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:08:04,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:08:04,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:08:04,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:08:04,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:08:04,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2024-11-10 21:08:05,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:08:05,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:08:05,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2024-11-10 21:08:05,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9902f28/c182a8259f164e3b8f44b1069e96db1c/FLAG10a53eafa [2024-11-10 21:08:05,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9902f28/c182a8259f164e3b8f44b1069e96db1c [2024-11-10 21:08:05,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:08:05,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:08:05,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:08:05,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:08:05,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:08:05,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:08:05" (1/1) ... [2024-11-10 21:08:05,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bc514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:05, skipping insertion in model container [2024-11-10 21:08:05,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:08:05" (1/1) ... [2024-11-10 21:08:05,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:08:07,252 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) 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:1028) 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:792) 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:792) 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:1761) 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:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:3519) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 21:08:07,260 INFO L158 Benchmark]: Toolchain (without parser) took 1439.82ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 89.4MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 21:08:07,261 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:08:07,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1436.82ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 89.4MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 21:08:07,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1436.82ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 89.4MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:08:09,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:08:09,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:08:09,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:08:09,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:08:09,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:08:09,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:08:09,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:08:09,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:08:09,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:08:09,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:08:09,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:08:09,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:08:09,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:08:09,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:08:09,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:08:09,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:08:09,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:08:09,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:08:09,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:08:09,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:08:09,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:08:09,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:08:09,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:08:09,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:08:09,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:08:09,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:08:09,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:08:09,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:08:09,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:08:09,460 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:08:09,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:08:09,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:08:09,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:08:09,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:08:09,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:08:09,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:08:09,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:08:09,463 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:08:09,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:08:09,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:08:09,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:08:09,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:08:09,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:08:09,464 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b [2024-11-10 21:08:09,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:08:09,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:08:09,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:08:09,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:08:09,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:08:09,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2024-11-10 21:08:11,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:08:11,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:08:11,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2024-11-10 21:08:11,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5114802b7/5527c0531a314778a1dd43a74124164e/FLAG4823cad62 [2024-11-10 21:08:11,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5114802b7/5527c0531a314778a1dd43a74124164e [2024-11-10 21:08:11,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:08:11,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:08:11,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:08:11,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:08:11,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:08:11,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:08:11" (1/1) ... [2024-11-10 21:08:11,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bf3b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:11, skipping insertion in model container [2024-11-10 21:08:11,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:08:11" (1/1) ... [2024-11-10 21:08:11,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:08:12,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:08:13,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:08:13,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:08:13,443 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:08:13,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13 WrapperNode [2024-11-10 21:08:13,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:08:13,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:08:13,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:08:13,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:08:13,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,523 INFO L138 Inliner]: procedures = 945, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-10 21:08:13,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:08:13,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:08:13,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:08:13,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:08:13,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,553 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:08:13,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:08:13,573 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:08:13,573 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:08:13,574 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:08:13,576 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (1/1) ... [2024-11-10 21:08:13,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:08:13,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:08:13,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:08:13,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:08:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-10 21:08:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-10 21:08:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:08:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:08:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:08:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:08:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:08:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2024-11-10 21:08:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2024-11-10 21:08:13,842 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:08:13,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:08:16,472 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-10 21:08:16,473 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:08:16,486 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:08:16,486 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:08:16,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:08:16 BoogieIcfgContainer [2024-11-10 21:08:16,486 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:08:16,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:08:16,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:08:16,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:08:16,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:08:11" (1/3) ... [2024-11-10 21:08:16,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346847c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:08:16, skipping insertion in model container [2024-11-10 21:08:16,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:08:13" (2/3) ... [2024-11-10 21:08:16,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346847c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:08:16, skipping insertion in model container [2024-11-10 21:08:16,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:08:16" (3/3) ... [2024-11-10 21:08:16,495 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_44_good.i [2024-11-10 21:08:16,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:08:16,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-10 21:08:16,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:08:16,579 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;@4491e561, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:08:16,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-10 21:08:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 39 states have internal predecessors, (44), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 21:08:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 21:08:16,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:16,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:08:16,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:16,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1214740101, now seen corresponding path program 1 times [2024-11-10 21:08:16,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:16,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450263343] [2024-11-10 21:08:16,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:16,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:16,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:16,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:16,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 21:08:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:08:16,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 21:08:16,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:08:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:08:16,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:08:16,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:08:16,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450263343] [2024-11-10 21:08:16,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450263343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:08:16,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:08:16,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 21:08:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994340111] [2024-11-10 21:08:16,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:08:16,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 21:08:16,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:08:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 21:08:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:08:16,880 INFO L87 Difference]: Start difference. First operand has 50 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 39 states have internal predecessors, (44), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 21:08:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:08:18,307 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-10 21:08:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:08:18,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-10 21:08:18,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:08:18,319 INFO L225 Difference]: With dead ends: 77 [2024-11-10 21:08:18,319 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 21:08:18,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 21:08:18,325 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 26 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:08:18,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 261 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 21:08:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 21:08:18,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2024-11-10 21:08:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 43 states have internal predecessors, (52), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 21:08:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2024-11-10 21:08:18,356 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 12 [2024-11-10 21:08:18,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:08:18,357 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2024-11-10 21:08:18,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 21:08:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2024-11-10 21:08:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 21:08:18,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:18,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:08:18,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-10 21:08:18,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:18,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:18,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:18,560 INFO L85 PathProgramCache]: Analyzing trace with hash 997753611, now seen corresponding path program 1 times [2024-11-10 21:08:18,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:18,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609671838] [2024-11-10 21:08:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:18,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:18,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:18,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:18,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-10 21:08:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:08:18,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 21:08:18,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:08:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:08:18,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:08:18,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:08:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609671838] [2024-11-10 21:08:18,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609671838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:08:18,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:08:18,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:08:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920883789] [2024-11-10 21:08:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:08:18,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:08:18,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:08:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:08:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:18,776 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 21:08:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:08:18,820 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2024-11-10 21:08:18,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:08:18,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-10 21:08:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:08:18,822 INFO L225 Difference]: With dead ends: 81 [2024-11-10 21:08:18,824 INFO L226 Difference]: Without dead ends: 41 [2024-11-10 21:08:18,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:18,825 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 7 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 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 [2024-11-10 21:08:18,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:08:18,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-10 21:08:18,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-10 21:08:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 33 states have internal predecessors, (36), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:08:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-10 21:08:18,834 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 13 [2024-11-10 21:08:18,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:08:18,834 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-10 21:08:18,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 21:08:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-11-10 21:08:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 21:08:18,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:18,835 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 21:08:18,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-10 21:08:19,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:19,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:19,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1476390732, now seen corresponding path program 1 times [2024-11-10 21:08:19,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:19,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870361933] [2024-11-10 21:08:19,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:19,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:19,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:19,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:19,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-10 21:08:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:08:19,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 21:08:19,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:08:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:08:19,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:08:19,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:08:19,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870361933] [2024-11-10 21:08:19,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870361933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:08:19,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:08:19,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:08:19,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209506385] [2024-11-10 21:08:19,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:08:19,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:08:19,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:08:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:08:19,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:19,235 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:08:19,257 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2024-11-10 21:08:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:08:19,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 21:08:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:08:19,261 INFO L225 Difference]: With dead ends: 41 [2024-11-10 21:08:19,261 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 21:08:19,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:19,262 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 11 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:08:19,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 94 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:08:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 21:08:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-10 21:08:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:08:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2024-11-10 21:08:19,273 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 29 [2024-11-10 21:08:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:08:19,274 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2024-11-10 21:08:19,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-11-10 21:08:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 21:08:19,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:19,275 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 21:08:19,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-10 21:08:19,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:19,476 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:19,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1476536486, now seen corresponding path program 1 times [2024-11-10 21:08:19,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:19,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422324091] [2024-11-10 21:08:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:19,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:19,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:19,481 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:19,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-10 21:08:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:08:19,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 21:08:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:08:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 21:08:19,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:08:19,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:08:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422324091] [2024-11-10 21:08:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422324091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:08:19,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:08:19,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:08:19,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951050256] [2024-11-10 21:08:19,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:08:19,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:08:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:08:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:08:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:19,640 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:23,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 21:08:27,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 21:08:31,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 21:08:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:08:31,786 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-11-10 21:08:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:08:31,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-10 21:08:31,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:08:31,793 INFO L225 Difference]: With dead ends: 38 [2024-11-10 21:08:31,793 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 21:08:31,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:08:31,794 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:08:31,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 86 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2024-11-10 21:08:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 21:08:31,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-10 21:08:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:08:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-11-10 21:08:31,801 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 30 [2024-11-10 21:08:31,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:08:31,802 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-11-10 21:08:31,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-10 21:08:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 21:08:31,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:31,804 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 21:08:31,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-10 21:08:32,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:32,005 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:32,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:32,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1472009995, now seen corresponding path program 1 times [2024-11-10 21:08:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:32,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752710861] [2024-11-10 21:08:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:32,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:32,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-10 21:08:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:08:32,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 21:08:32,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:08:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 21:08:32,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:08:32,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:08:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752710861] [2024-11-10 21:08:32,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752710861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:08:32,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:08:32,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:08:32,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840549862] [2024-11-10 21:08:32,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:08:32,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:08:32,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:08:32,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:08:32,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:08:32,182 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:08:32,201 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2024-11-10 21:08:32,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:08:32,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-10 21:08:32,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:08:32,202 INFO L225 Difference]: With dead ends: 41 [2024-11-10 21:08:32,202 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 21:08:32,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:08:32,203 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:08:32,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:08:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 21:08:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-10 21:08:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:08:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-10 21:08:32,217 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 31 [2024-11-10 21:08:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:08:32,218 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-10 21:08:32,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:08:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-10 21:08:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 21:08:32,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:08:32,219 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 21:08:32,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-10 21:08:32,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:32,424 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:08:32,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:08:32,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1556596041, now seen corresponding path program 1 times [2024-11-10 21:08:32,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:08:32,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133749056] [2024-11-10 21:08:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:08:32,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:08:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:08:32,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:08:32,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-10 21:09:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:09:12,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 21:09:12,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:09:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 21:09:13,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:09:13,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:09:13,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133749056] [2024-11-10 21:09:13,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133749056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:09:13,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:09:13,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 21:09:13,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656444728] [2024-11-10 21:09:13,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:09:13,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 21:09:13,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:09:13,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 21:09:13,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:09:13,203 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:09:17,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 21:09:21,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 21:09:25,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 21:09:29,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 21:09:33,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 21:09:33,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:09:33,457 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-10 21:09:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:09:33,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-10 21:09:33,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:09:33,463 INFO L225 Difference]: With dead ends: 36 [2024-11-10 21:09:33,463 INFO L226 Difference]: Without dead ends: 35 [2024-11-10 21:09:33,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:09:33,464 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:09:33,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 85 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2024-11-10 21:09:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-10 21:09:33,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-10 21:09:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:09:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-10 21:09:33,471 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 33 [2024-11-10 21:09:33,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:09:33,471 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-10 21:09:33,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 21:09:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-10 21:09:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 21:09:33,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:09:33,473 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 21:09:33,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-10 21:09:33,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:09:33,673 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-10 21:09:33,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:09:33,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1009837012, now seen corresponding path program 1 times [2024-11-10 21:09:33,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:09:33,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136991292] [2024-11-10 21:09:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:09:33,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 21:09:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:09:33,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 21:09:33,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process