./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_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 5e89f3965b365f6691a83cd8c9b84b8fb618744bcabfbe45c32caf1ed1d7ca86 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:20:07,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:20:07,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:20:07,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:20:07,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:20:07,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:20:07,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:20:07,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:20:07,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:20:07,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:20:07,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:20:07,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:20:07,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:20:07,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:20:07,932 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:20:07,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:20:07,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:20:07,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:20:07,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:20:07,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:20:07,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:20:07,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:20:07,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:20:07,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:20:07,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:20:07,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:20:07,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:20:07,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:20:07,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:20:07,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:20:07,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:20:07,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:20:07,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:20:07,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:20:07,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:20:07,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:20:07,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e89f3965b365f6691a83cd8c9b84b8fb618744bcabfbe45c32caf1ed1d7ca86 [2024-10-13 15:20:08,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:20:08,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:20:08,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:20:08,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:20:08,215 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:20:08,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_good.i [2024-10-13 15:20:09,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:20:10,058 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:20:10,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_good.i [2024-10-13 15:20:10,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba09e19e/cc5fec3e83b54e0e9a557166cb1368af/FLAGcbb0fe3c0 [2024-10-13 15:20:10,096 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba09e19e/cc5fec3e83b54e0e9a557166cb1368af [2024-10-13 15:20:10,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:20:10,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:20:10,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:20:10,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:20:10,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:20:10,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:20:10" (1/1) ... [2024-10-13 15:20:10,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347b3762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:10, skipping insertion in model container [2024-10-13 15:20:10,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:20:10" (1/1) ... [2024-10-13 15:20:10,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:20:11,704 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2916) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1736) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1767) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2491) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-13 15:20:11,711 INFO L158 Benchmark]: Toolchain (without parser) took 1610.05ms. Allocated memory is still 148.9MB. Free memory was 74.5MB in the beginning and 95.4MB in the end (delta: -21.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-13 15:20:11,711 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:20:11,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.49ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 95.4MB in the end (delta: -21.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-13 15:20:11,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.49ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 95.4MB in the end (delta: -21.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_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 5e89f3965b365f6691a83cd8c9b84b8fb618744bcabfbe45c32caf1ed1d7ca86 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:20:13,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:20:13,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:20:13,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:20:13,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:20:13,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:20:13,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:20:13,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:20:13,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:20:13,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:20:13,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:20:13,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:20:13,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:20:13,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:20:13,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:20:13,681 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:20:13,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:20:13,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:20:13,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:20:13,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:20:13,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:20:13,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:20:13,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:20:13,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:20:13,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:20:13,688 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:20:13,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:20:13,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:20:13,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:20:13,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:20:13,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:20:13,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:20:13,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:20:13,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:20:13,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:20:13,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:20:13,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:20:13,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:20:13,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:20:13,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:20:13,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:20:13,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:20:13,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:20:13,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:20:13,708 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:20:13,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e89f3965b365f6691a83cd8c9b84b8fb618744bcabfbe45c32caf1ed1d7ca86 [2024-10-13 15:20:13,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:20:13,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:20:13,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:20:13,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:20:13,988 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:20:13,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_good.i [2024-10-13 15:20:15,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:20:15,832 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:20:15,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_03_good.i [2024-10-13 15:20:15,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b71c744/442274ec74264f01b3e65d5550554dcf/FLAG24e8e6896 [2024-10-13 15:20:15,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b71c744/442274ec74264f01b3e65d5550554dcf [2024-10-13 15:20:15,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:20:15,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:20:15,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:20:15,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:20:15,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:20:15,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:20:15" (1/1) ... [2024-10-13 15:20:15,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0ecbce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:15, skipping insertion in model container [2024-10-13 15:20:15,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:20:15" (1/1) ... [2024-10-13 15:20:15,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:20:16,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:20:16,812 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:20:16,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:20:17,116 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:20:17,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17 WrapperNode [2024-10-13 15:20:17,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:20:17,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:20:17,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:20:17,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:20:17,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,170 INFO L138 Inliner]: procedures = 944, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2024-10-13 15:20:17,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:20:17,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:20:17,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:20:17,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:20:17,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,206 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:20:17,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:20:17,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:20:17,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:20:17,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:20:17,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (1/1) ... [2024-10-13 15:20:17,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:20:17,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:20:17,272 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) [2024-10-13 15:20:17,277 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 [2024-10-13 15:20:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 15:20:17,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 15:20:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:20:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:20:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:20:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:20:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:20:17,454 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:20:17,456 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:20:22,799 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-10-13 15:20:22,799 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:20:22,839 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:20:22,839 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-13 15:20:22,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:20:22 BoogieIcfgContainer [2024-10-13 15:20:22,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:20:22,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:20:22,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:20:22,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:20:22,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:20:15" (1/3) ... [2024-10-13 15:20:22,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115b24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:20:22, skipping insertion in model container [2024-10-13 15:20:22,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:20:17" (2/3) ... [2024-10-13 15:20:22,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115b24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:20:22, skipping insertion in model container [2024-10-13 15:20:22,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:20:22" (3/3) ... [2024-10-13 15:20:22,852 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_03_good.i [2024-10-13 15:20:22,875 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:20:22,875 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 15:20:22,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:20:22,963 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;@765fe162, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:20:22,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 15:20:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 53 states have internal predecessors, (68), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 15:20:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 15:20:22,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:20:22,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:20:22,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 15:20:22,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:20:22,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1411975264, now seen corresponding path program 1 times [2024-10-13 15:20:22,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:20:22,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873112436] [2024-10-13 15:20:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:20:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:20:22,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:20:22,993 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) [2024-10-13 15:20:22,994 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 [2024-10-13 15:20:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:20:23,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-13 15:20:23,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:20:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:20:23,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:20:23,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:20:23,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873112436] [2024-10-13 15:20:23,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873112436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:20:23,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:20:23,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:20:23,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164712723] [2024-10-13 15:20:23,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:20:23,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 15:20:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:20:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 15:20:23,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:20:23,114 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 53 states have internal predecessors, (68), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:23,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:20:23,140 INFO L93 Difference]: Finished difference Result 122 states and 161 transitions. [2024-10-13 15:20:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 15:20:23,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-13 15:20:23,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:20:23,146 INFO L225 Difference]: With dead ends: 122 [2024-10-13 15:20:23,146 INFO L226 Difference]: Without dead ends: 56 [2024-10-13 15:20:23,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:20:23,150 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 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 [2024-10-13 15:20:23,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:20:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-13 15:20:23,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-13 15:20:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:20:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2024-10-13 15:20:23,175 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 11 [2024-10-13 15:20:23,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:20:23,176 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2024-10-13 15:20:23,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2024-10-13 15:20:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 15:20:23,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:20:23,177 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:20:23,182 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 (2)] Ended with exit code 0 [2024-10-13 15:20:23,380 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 [2024-10-13 15:20:23,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 15:20:23,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:20:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -572418427, now seen corresponding path program 1 times [2024-10-13 15:20:23,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:20:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149731923] [2024-10-13 15:20:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:20:23,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:20:23,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:20:23,384 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) [2024-10-13 15:20:23,385 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 [2024-10-13 15:20:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:20:23,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 15:20:23,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:20:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:20:23,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:20:23,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:20:23,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149731923] [2024-10-13 15:20:23,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149731923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:20:23,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:20:23,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:20:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141146770] [2024-10-13 15:20:23,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:20:23,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 15:20:23,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:20:23,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 15:20:23,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 15:20:23,490 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:27,559 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 [] [2024-10-13 15:20:31,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 15:20:35,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 15:20:35,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:20:35,990 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2024-10-13 15:20:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 15:20:35,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-13 15:20:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:20:35,992 INFO L225 Difference]: With dead ends: 60 [2024-10-13 15:20:35,992 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 15:20:35,992 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 [2024-10-13 15:20:35,993 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-10-13 15:20:35,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 160 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2024-10-13 15:20:35,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 15:20:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-10-13 15:20:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.394736842105263) internal successors, (53), 46 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:20:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2024-10-13 15:20:35,998 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 13 [2024-10-13 15:20:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:20:35,999 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2024-10-13 15:20:35,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-10-13 15:20:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 15:20:35,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:20:35,999 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:20:36,005 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 [2024-10-13 15:20:36,200 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 [2024-10-13 15:20:36,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 15:20:36,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:20:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash -565097946, now seen corresponding path program 1 times [2024-10-13 15:20:36,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:20:36,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087168074] [2024-10-13 15:20:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:20:36,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:20:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:20:36,208 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) [2024-10-13 15:20:36,211 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 [2024-10-13 15:20:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:20:36,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:20:36,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:20:36,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:20:36,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:20:36,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:20:36,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087168074] [2024-10-13 15:20:36,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087168074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:20:36,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:20:36,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:20:36,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756406073] [2024-10-13 15:20:36,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:20:36,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:20:36,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:20:36,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:20:36,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:20:36,279 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:36,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:20:36,298 INFO L93 Difference]: Finished difference Result 99 states and 115 transitions. [2024-10-13 15:20:36,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:20:36,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-13 15:20:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:20:36,299 INFO L225 Difference]: With dead ends: 99 [2024-10-13 15:20:36,300 INFO L226 Difference]: Without dead ends: 56 [2024-10-13 15:20:36,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:20:36,301 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:20:36,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:20:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-13 15:20:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-13 15:20:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:20:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2024-10-13 15:20:36,306 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 14 [2024-10-13 15:20:36,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:20:36,306 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2024-10-13 15:20:36,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:20:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2024-10-13 15:20:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 15:20:36,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:20:36,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:20:36,316 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 [2024-10-13 15:20:36,510 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 [2024-10-13 15:20:36,511 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 15:20:36,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:20:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash -338292057, now seen corresponding path program 1 times [2024-10-13 15:20:36,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:20:36,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692862878] [2024-10-13 15:20:36,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:20:36,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:20:36,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:20:36,515 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) [2024-10-13 15:20:36,516 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 [2024-10-13 15:21:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:21:14,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 15:21:14,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:21:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:21:14,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:21:14,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:21:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692862878] [2024-10-13 15:21:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692862878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:21:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:21:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 15:21:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033579322] [2024-10-13 15:21:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:21:14,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 15:21:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:21:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 15:21:14,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 15:21:14,505 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:21:18,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 15:21:22,694 WARN L539 Checker$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] [2024-10-13 15:21:26,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 15:21:30,698 WARN L539 Checker$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] [2024-10-13 15:21:34,700 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] [2024-10-13 15:21:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:21:34,756 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2024-10-13 15:21:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 15:21:34,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-13 15:21:34,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:21:34,757 INFO L225 Difference]: With dead ends: 59 [2024-10-13 15:21:34,757 INFO L226 Difference]: Without dead ends: 58 [2024-10-13 15:21:34,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 15:21:34,758 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 11 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-10-13 15:21:34,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 159 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2024-10-13 15:21:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-13 15:21:34,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2024-10-13 15:21:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.358974358974359) internal successors, (53), 46 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:21:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2024-10-13 15:21:34,767 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 15 [2024-10-13 15:21:34,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:21:34,767 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2024-10-13 15:21:34,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:21:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-10-13 15:21:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-13 15:21:34,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:21:34,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:21:34,778 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 (5)] Forceful destruction successful, exit code 0 [2024-10-13 15:21:34,970 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 [2024-10-13 15:21:34,971 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 15:21:34,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:21:34,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1897119096, now seen corresponding path program 1 times [2024-10-13 15:21:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:21:34,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527022477] [2024-10-13 15:21:34,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:21:34,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:21:34,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:21:34,975 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) [2024-10-13 15:21:34,976 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