./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC --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 a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:43:21,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:43:21,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 18:43:21,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:43:21,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:43:21,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:43:21,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:43:21,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:43:21,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:43:21,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:43:21,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:43:21,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:43:21,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:43:21,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:43:21,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:43:21,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:43:21,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:43:21,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:43:21,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:43:21,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:43:21,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:43:21,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:43:21,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:43:21,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:21,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:43:21,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:21,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:43:21,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:43:21,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:43:21,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:43:21,486 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC 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 -> a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 [2024-11-23 18:43:21,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:43:21,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:43:21,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:43:21,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:43:21,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:43:21,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2024-11-23 18:43:25,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/f42acebc1/896dc9bedb95448a852c014ae32344f5/FLAGfe5c16190 [2024-11-23 18:43:25,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:43:25,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2024-11-23 18:43:25,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/f42acebc1/896dc9bedb95448a852c014ae32344f5/FLAGfe5c16190 [2024-11-23 18:43:25,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/f42acebc1/896dc9bedb95448a852c014ae32344f5 [2024-11-23 18:43:25,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:43:25,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:43:25,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:25,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:43:25,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:43:25,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:25" (1/1) ... [2024-11-23 18:43:25,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38527097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:25, skipping insertion in model container [2024-11-23 18:43:25,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:25" (1/1) ... [2024-11-23 18:43:25,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:43:27,724 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1602) 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:1019) 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:783) 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:783) 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:1752) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 18:43:27,732 INFO L158 Benchmark]: Toolchain (without parser) took 2066.52ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 63.9MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:43:27,732 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:43:27,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2063.58ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 63.9MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:43:27,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2063.58ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 63.9MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC --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 a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:43:30,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:43:30,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 18:43:30,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:43:30,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:43:30,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 18:43:30,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:43:30,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:43:30,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:43:30,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:43:30,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:43:30,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:43:30,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:43:30,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:43:30,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:43:30,883 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:43:30,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:43:30,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:43:30,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:43:30,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:43:30,884 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:30,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:30,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:30,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:43:30,885 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:43:30,886 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC 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 -> a9312d6c83b5b36782d79f482c5933d79e1233a8ca91dc83ea75e34d39d84ff9 [2024-11-23 18:43:31,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:43:31,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:43:31,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:43:31,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:43:31,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:43:31,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2024-11-23 18:43:34,790 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/8fedf2108/8ca3ee612ab74e72bd8760fe1f4266ee/FLAGa774e4383 [2024-11-23 18:43:35,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:43:35,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2024-11-23 18:43:35,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/8fedf2108/8ca3ee612ab74e72bd8760fe1f4266ee/FLAGa774e4383 [2024-11-23 18:43:35,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/data/8fedf2108/8ca3ee612ab74e72bd8760fe1f4266ee [2024-11-23 18:43:35,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:43:35,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:43:35,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:35,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:43:35,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:43:35,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:35" (1/1) ... [2024-11-23 18:43:35,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436501ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:35, skipping insertion in model container [2024-11-23 18:43:35,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:35" (1/1) ... [2024-11-23 18:43:35,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:43:37,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:37,770 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:43:37,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:38,207 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:43:38,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38 WrapperNode [2024-11-23 18:43:38,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:38,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:38,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:43:38,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:43:38,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,294 INFO L138 Inliner]: procedures = 944, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2024-11-23 18:43:38,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:38,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:43:38,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:43:38,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:43:38,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,330 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 18:43:38,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:43:38,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:43:38,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:43:38,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:43:38,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (1/1) ... [2024-11-23 18:43:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:38,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:43:38,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:43:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 18:43:38,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 18:43:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:43:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:43:38,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:43:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 18:43:38,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 18:43:38,703 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:43:38,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:43:41,131 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-23 18:43:41,132 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:43:41,142 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:43:41,142 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:43:41,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:41 BoogieIcfgContainer [2024-11-23 18:43:41,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:43:41,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:43:41,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:43:41,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:43:41,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:35" (1/3) ... [2024-11-23 18:43:41,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c494983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:41, skipping insertion in model container [2024-11-23 18:43:41,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:38" (2/3) ... [2024-11-23 18:43:41,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c494983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:41, skipping insertion in model container [2024-11-23 18:43:41,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:41" (3/3) ... [2024-11-23 18:43:41,154 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_51_good.i [2024-11-23 18:43:41,171 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:43:41,172 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_51_good.i that has 3 procedures, 38 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-23 18:43:41,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:43:41,251 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;@7f3078f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:43:41,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-23 18:43:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 18:43:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 18:43:41,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:41,264 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:41,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 18:43:41,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash 806298795, now seen corresponding path program 1 times [2024-11-23 18:43:41,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:41,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336548526] [2024-11-23 18:43:41,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:41,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:41,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:41,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:43:41,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:43:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:41,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:43:41,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:43:41,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:41,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:41,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336548526] [2024-11-23 18:43:41,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336548526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:41,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:41,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:43:41,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681979450] [2024-11-23 18:43:41,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:41,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:43:41,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:41,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:43:41,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:41,631 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:43:41,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:41,761 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2024-11-23 18:43:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:43:41,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2024-11-23 18:43:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:41,772 INFO L225 Difference]: With dead ends: 38 [2024-11-23 18:43:41,772 INFO L226 Difference]: Without dead ends: 25 [2024-11-23 18:43:41,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:41,785 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:41,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:43:41,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-23 18:43:41,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-23 18:43:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:43:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-23 18:43:41,839 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 9 [2024-11-23 18:43:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:41,841 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-23 18:43:41,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 18:43:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-23 18:43:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 18:43:41,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:41,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:41,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:43:42,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:42,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 18:43:42,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash 565769393, now seen corresponding path program 1 times [2024-11-23 18:43:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692382013] [2024-11-23 18:43:42,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:42,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:42,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:42,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:43:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:43:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:42,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:43:42,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:43:42,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:42,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:42,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692382013] [2024-11-23 18:43:42,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692382013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:42,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:42,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:43:42,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100013569] [2024-11-23 18:43:42,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:42,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:43:42,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:42,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:43:42,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:43:42,300 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:43:46,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:50,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:54,391 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 [] [2024-11-23 18:43:54,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:54,509 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2024-11-23 18:43:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:43:54,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-23 18:43:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:54,515 INFO L225 Difference]: With dead ends: 26 [2024-11-23 18:43:54,515 INFO L226 Difference]: Without dead ends: 25 [2024-11-23 18:43:54,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:43:54,516 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:54,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 53 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2024-11-23 18:43:54,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-23 18:43:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-23 18:43:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:43:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-23 18:43:54,523 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2024-11-23 18:43:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:54,523 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-23 18:43:54,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:43:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-23 18:43:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 18:43:54,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:54,526 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:54,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:43:54,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:54,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 18:43:54,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:54,731 INFO L85 PathProgramCache]: Analyzing trace with hash 358986096, now seen corresponding path program 1 times [2024-11-23 18:43:54,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:54,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784913225] [2024-11-23 18:43:54,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:54,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:54,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:43:54,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:43:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:54,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:43:54,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:43:54,962 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:54,962 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:54,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784913225] [2024-11-23 18:43:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784913225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:54,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:54,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:43:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125388696] [2024-11-23 18:43:54,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:54,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:43:54,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:54,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:43:54,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:54,966 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:43:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:54,989 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2024-11-23 18:43:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:43:54,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-23 18:43:54,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:54,991 INFO L225 Difference]: With dead ends: 29 [2024-11-23 18:43:54,991 INFO L226 Difference]: Without dead ends: 24 [2024-11-23 18:43:54,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:54,993 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 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 [2024-11-23 18:43:54,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:43:54,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-23 18:43:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-23 18:43:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:43:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-23 18:43:55,004 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2024-11-23 18:43:55,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:55,005 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-23 18:43:55,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:43:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-23 18:43:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 18:43:55,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:55,006 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:55,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:43:55,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:55,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 18:43:55,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1756457837, now seen corresponding path program 1 times [2024-11-23 18:43:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976747574] [2024-11-23 18:43:55,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:55,213 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 [2024-11-23 18:43:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:55,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:43:55,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:45:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:35,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:45:35,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:45:36,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:36,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:36,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976747574] [2024-11-23 18:45:36,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976747574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:36,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:36,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:45:36,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808921992] [2024-11-23 18:45:36,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:36,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:45:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:36,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:45:36,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:45:36,060 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:45:40,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:44,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:48,321 WARN L539 Checker$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] [2024-11-23 18:45:52,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:45:56,334 WARN L539 Checker$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] [2024-11-23 18:45:56,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:56,334 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-23 18:45:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:45:56,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-23 18:45:56,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:56,340 INFO L225 Difference]: With dead ends: 24 [2024-11-23 18:45:56,340 INFO L226 Difference]: Without dead ends: 23 [2024-11-23 18:45:56,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:45:56,341 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:56,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2024-11-23 18:45:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-23 18:45:56,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-23 18:45:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:45:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2024-11-23 18:45:56,347 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2024-11-23 18:45:56,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:56,347 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2024-11-23 18:45:56,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:45:56,348 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2024-11-23 18:45:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-23 18:45:56,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:56,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:56,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:45:56,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:45:56,549 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 18:45:56,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:56,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1384381970, now seen corresponding path program 1 times [2024-11-23 18:45:56,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:56,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105555668] [2024-11-23 18:45:56,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:56,551 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 [2024-11-23 18:45:56,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:56,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:45:56,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:47:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:21,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:47:21,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:47:22,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:22,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:22,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105555668] [2024-11-23 18:47:22,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105555668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:22,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:22,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041914984] [2024-11-23 18:47:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:22,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:47:22,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:22,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:47:22,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:22,506 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:47:22,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:22,699 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-11-23 18:47:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:47:22,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-23 18:47:22,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:22,704 INFO L225 Difference]: With dead ends: 23 [2024-11-23 18:47:22,704 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:47:22,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:22,705 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:22,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:47:22,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:47:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:47:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:47:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:47:22,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2024-11-23 18:47:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:22,707 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:47:22,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:47:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:47:22,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:47:22,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2024-11-23 18:47:22,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-23 18:47:22,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-23 18:47:22,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-23 18:47:22,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-23 18:47:22,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 18:47:22,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:47:22,915 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 18:47:22,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:47:22,939 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:47:22,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:47:22 BoogieIcfgContainer [2024-11-23 18:47:22,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:47:22,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:47:22,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:47:22,948 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:47:22,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:41" (3/4) ... [2024-11-23 18:47:22,951 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:47:22,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 18:47:22,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 18:47:22,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 18:47:22,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 18:47:22,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:47:22,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:47:23,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:47:23,054 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:47:23,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:47:23,055 INFO L158 Benchmark]: Toolchain (without parser) took 227506.18ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 52.4MB in the beginning and 106.6MB in the end (delta: -54.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-23 18:47:23,056 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:47:23,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2656.67ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 28.5MB in the end (delta: 24.0MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-23 18:47:23,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.88ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 28.5MB in the beginning and 132.8MB in the end (delta: -104.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-23 18:47:23,058 INFO L158 Benchmark]: Boogie Preprocessor took 57.34ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:47:23,058 INFO L158 Benchmark]: RCFGBuilder took 2787.88ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 116.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:47:23,059 INFO L158 Benchmark]: TraceAbstraction took 221801.35ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 111.0MB in the end (delta: 4.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-23 18:47:23,060 INFO L158 Benchmark]: Witness Printer took 106.63ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 106.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:47:23,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2656.67ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 28.5MB in the end (delta: 24.0MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.88ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 28.5MB in the beginning and 132.8MB in the end (delta: -104.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.34ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2787.88ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 116.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 221801.35ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 111.0MB in the end (delta: 4.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 106.63ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 106.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1864]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1864]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1870]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 221.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 32.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 312 SdHoareTripleChecker+Invalid, 32.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 119 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 185.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 86 ConstructedInterpolants, 5 QuantifiedInterpolants, 375 SizeOfPredicates, 2 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:47:23,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df5748a-59f5-4a4e-9818-a74155ba2797/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE