./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_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_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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_a535353b-082a-4410-84cb-b655efbb1a9a/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 3058f22b0a2cc861bd13b5b58ff7b4a20e43fa21cc82e1d23d1250683a8268a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:48,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:48,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:34:48,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:48,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:48,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:48,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:48,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:48,432 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:48,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:48,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:48,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:48,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:48,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:48,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:48,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:48,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:34:48,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:48,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:48,435 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:48,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:48,435 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:48,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:48,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:48,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:48,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:48,436 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:48,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:48,437 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_a535353b-082a-4410-84cb-b655efbb1a9a/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 -> 3058f22b0a2cc861bd13b5b58ff7b4a20e43fa21cc82e1d23d1250683a8268a6 [2024-11-23 22:34:48,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:48,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:48,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:48,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:48,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:48,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i [2024-11-23 22:34:51,853 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/bd3db78d8/845ee3c977d847afb774e9f9ce066f61/FLAG85082fc60 [2024-11-23 22:34:52,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:52,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i [2024-11-23 22:34:52,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/bd3db78d8/845ee3c977d847afb774e9f9ce066f61/FLAG85082fc60 [2024-11-23 22:34:52,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/bd3db78d8/845ee3c977d847afb774e9f9ce066f61 [2024-11-23 22:34:52,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:52,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:52,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:52,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:52,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:52,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:52" (1/1) ... [2024-11-23 22:34:52,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c099d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:52, skipping insertion in model container [2024-11-23 22:34:52,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:52" (1/1) ... [2024-11-23 22:34:52,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:54,175 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 22:34:54,183 INFO L158 Benchmark]: Toolchain (without parser) took 1858.84ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 63.6MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:34:54,183 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:34:54,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1855.68ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 63.6MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:34:54,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1855.68ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 63.6MB in the end (delta: 23.9MB). 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_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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_a535353b-082a-4410-84cb-b655efbb1a9a/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 3058f22b0a2cc861bd13b5b58ff7b4a20e43fa21cc82e1d23d1250683a8268a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:56,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:56,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 22:34:56,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:56,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:56,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 22:34:57,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:57,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:57,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:57,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:57,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:57,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:57,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:57,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:57,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:57,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:57,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:57,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:34:57,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:57,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:57,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:57,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:57,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:57,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:57,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:57,033 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_a535353b-082a-4410-84cb-b655efbb1a9a/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 -> 3058f22b0a2cc861bd13b5b58ff7b4a20e43fa21cc82e1d23d1250683a8268a6 [2024-11-23 22:34:57,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:57,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:57,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:57,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:57,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:57,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i [2024-11-23 22:35:00,493 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/7cf63a8fb/190151fa8cdb40dcbd4364ee03651f1a/FLAGd57370a5f [2024-11-23 22:35:00,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:35:00,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_good.i [2024-11-23 22:35:00,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/7cf63a8fb/190151fa8cdb40dcbd4364ee03651f1a/FLAGd57370a5f [2024-11-23 22:35:01,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/data/7cf63a8fb/190151fa8cdb40dcbd4364ee03651f1a [2024-11-23 22:35:01,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:35:01,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:35:01,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:01,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:35:01,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:35:01,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:01" (1/1) ... [2024-11-23 22:35:01,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b273ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:01, skipping insertion in model container [2024-11-23 22:35:01,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:01" (1/1) ... [2024-11-23 22:35:01,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:35:03,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:03,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:35:03,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:03,815 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:35:03,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03 WrapperNode [2024-11-23 22:35:03,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:03,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:03,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:35:03,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:35:03,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,898 INFO L138 Inliner]: procedures = 945, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2024-11-23 22:35:03,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:03,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:35:03,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:35:03,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:35:03,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,929 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-23 22:35:03,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:03,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:03,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:03,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:03,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (1/1) ... [2024-11-23 22:35:03,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:04,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:04,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 22:35:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 22:35:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 22:35:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 22:35:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:35:04,262 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:04,264 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:08,926 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-23 22:35:08,926 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:08,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:08,935 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:35:08,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:08 BoogieIcfgContainer [2024-11-23 22:35:08,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:08,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:08,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:08,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:08,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:35:01" (1/3) ... [2024-11-23 22:35:08,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed5631e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:08, skipping insertion in model container [2024-11-23 22:35:08,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:03" (2/3) ... [2024-11-23 22:35:08,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed5631e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:08, skipping insertion in model container [2024-11-23 22:35:08,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:08" (3/3) ... [2024-11-23 22:35:08,945 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_41_good.i [2024-11-23 22:35:08,960 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:08,961 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_41_good.i that has 3 procedures, 41 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-23 22:35:09,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:09,026 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;@5966248, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:09,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-23 22:35:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 22:35:09,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:09,037 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:09,037 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 22:35:09,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:09,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1647289306, now seen corresponding path program 1 times [2024-11-23 22:35:09,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:09,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650407399] [2024-11-23 22:35:09,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:09,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:09,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:09,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:09,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:35:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:09,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:35:09,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:09,309 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 22:35:09,309 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:09,309 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:35:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650407399] [2024-11-23 22:35:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650407399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:09,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:09,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043063755] [2024-11-23 22:35:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:09,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:09,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:35:09,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:09,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:09,340 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 22:35:13,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:17,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:21,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:23,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:23,965 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2024-11-23 22:35:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:23,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2024-11-23 22:35:23,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:23,973 INFO L225 Difference]: With dead ends: 44 [2024-11-23 22:35:23,974 INFO L226 Difference]: Without dead ends: 33 [2024-11-23 22:35:23,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 22:35:23,979 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:23,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 115 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2024-11-23 22:35:23,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-23 22:35:24,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-23 22:35:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 22:35:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-23 22:35:24,016 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 12 [2024-11-23 22:35:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:24,016 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-23 22:35:24,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 22:35:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-23 22:35:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 22:35:24,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:24,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:24,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:24,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:24,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 22:35:24,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash -473634971, now seen corresponding path program 1 times [2024-11-23 22:35:24,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:24,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103583337] [2024-11-23 22:35:24,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:24,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:24,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:24,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:35:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:24,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:35:24,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:24,395 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 22:35:24,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:24,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:35:24,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103583337] [2024-11-23 22:35:24,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103583337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:24,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:24,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:24,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768758829] [2024-11-23 22:35:24,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:24,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:24,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:35:24,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:24,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:24,401 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:35:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:24,424 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-23 22:35:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:24,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-23 22:35:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:24,426 INFO L225 Difference]: With dead ends: 46 [2024-11-23 22:35:24,426 INFO L226 Difference]: Without dead ends: 31 [2024-11-23 22:35:24,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 22:35:24,427 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:24,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-23 22:35:24,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-23 22:35:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 22:35:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-23 22:35:24,433 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 13 [2024-11-23 22:35:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:24,434 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-23 22:35:24,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:35:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-23 22:35:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 22:35:24,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:24,435 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:24,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:24,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:24,635 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 22:35:24,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1797907140, now seen corresponding path program 1 times [2024-11-23 22:35:24,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:24,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818351137] [2024-11-23 22:35:24,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:24,637 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 22:35:24,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:35:24,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:35:24,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 (4)] Waiting until timeout for monitored process [2024-11-23 22:36:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:32,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:36:32,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:32,787 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 22:36:32,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:36:32,788 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:36:32,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818351137] [2024-11-23 22:36:32,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818351137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:32,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:32,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246068001] [2024-11-23 22:36:32,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:32,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:36:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:36:32,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:36:32,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:36:32,793 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:36:37,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:36:41,088 WARN L539 Checker$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 22:36:45,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:36:49,096 WARN L539 Checker$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 22:36:53,099 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 22:36:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:53,216 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2024-11-23 22:36:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:36:53,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-23 22:36:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:53,220 INFO L225 Difference]: With dead ends: 33 [2024-11-23 22:36:53,220 INFO L226 Difference]: Without dead ends: 32 [2024-11-23 22:36:53,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:36:53,222 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:53,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 79 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2024-11-23 22:36:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-23 22:36:53,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-23 22:36:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 22:36:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-23 22:36:53,233 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 14 [2024-11-23 22:36:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:53,234 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-23 22:36:53,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:36:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-23 22:36:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 22:36:53,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:53,235 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:53,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 (4)] Ended with exit code 0 [2024-11-23 22:36:53,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:36:53,436 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 22:36:53,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:53,437 INFO L85 PathProgramCache]: Analyzing trace with hash 99453575, now seen corresponding path program 1 times [2024-11-23 22:36:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:36:53,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975464096] [2024-11-23 22:36:53,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:53,438 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 22:36:53,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:36:53,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:36:53,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:38:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:04,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:38:04,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:38:04,773 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 22:38:04,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:38:04,774 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:38:04,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975464096] [2024-11-23 22:38:04,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975464096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:04,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:04,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:38:04,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395497080] [2024-11-23 22:38:04,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:04,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:38:04,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:38:04,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:38:04,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:38:04,775 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:38:05,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:05,191 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2024-11-23 22:38:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:38:05,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-23 22:38:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:05,192 INFO L225 Difference]: With dead ends: 32 [2024-11-23 22:38:05,192 INFO L226 Difference]: Without dead ends: 31 [2024-11-23 22:38:05,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:38:05,193 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:05,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:38:05,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-23 22:38:05,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-23 22:38:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 22:38:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-23 22:38:05,198 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 15 [2024-11-23 22:38:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:05,198 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-23 22:38:05,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:38:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-23 22:38:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 22:38:05,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:05,200 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:38:05,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:38:05,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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 22:38:05,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-23 22:38:05,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2038442999, now seen corresponding path program 1 times [2024-11-23 22:38:05,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:38:05,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728055009] [2024-11-23 22:38:05,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:05,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:38:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:38:05,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:38:05,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:38:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:05,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:38:05,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:38:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:38:05,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:38:05,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:38:05,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728055009] [2024-11-23 22:38:05,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728055009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:05,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:05,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:38:05,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486926268] [2024-11-23 22:38:05,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:05,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:38:05,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:38:05,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:38:05,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:38:05,544 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 22:38:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:05,599 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-11-23 22:38:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:38:05,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 22:38:05,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:05,605 INFO L225 Difference]: With dead ends: 29 [2024-11-23 22:38:05,605 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:38:05,605 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 22:38:05,606 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:05,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 59 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:38:05,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:38:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:38:05,607 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 22:38:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:38:05,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-23 22:38:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:05,607 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:38:05,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 22:38:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:38:05,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:38:05,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2024-11-23 22:38:05,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-23 22:38:05,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-23 22:38:05,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-23 22:38:05,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-23 22:38:05,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 22:38:05,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:38:05,818 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 22:38:05,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:38:05,847 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:38:05,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:38:05 BoogieIcfgContainer [2024-11-23 22:38:05,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:38:05,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:38:05,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:38:05,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:38:05,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:08" (3/4) ... [2024-11-23 22:38:05,861 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:38:05,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 22:38:05,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 22:38:05,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-23 22:38:05,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 22:38:05,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:38:05,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:38:05,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:38:05,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:38:05,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:38:05,947 INFO L158 Benchmark]: Toolchain (without parser) took 184887.76ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.7MB in the beginning and 113.7MB in the end (delta: -58.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,947 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:38:05,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2756.24ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 44.4MB in the end (delta: 11.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.96ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 40.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,948 INFO L158 Benchmark]: Boogie Preprocessor took 48.87ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:38:05,948 INFO L158 Benchmark]: RCFGBuilder took 4986.73ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 130.0MB in the end (delta: -92.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,949 INFO L158 Benchmark]: TraceAbstraction took 176915.73ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 118.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,949 INFO L158 Benchmark]: Witness Printer took 91.85ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 113.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:38:05,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2756.24ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 44.4MB in the end (delta: 11.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.96ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 40.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.87ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4986.73ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 130.0MB in the end (delta: -92.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * TraceAbstraction took 176915.73ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 118.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 91.85ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 113.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. 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: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1850]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1850]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1835]: 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, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 176.8s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 35.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 35.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 164 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 137.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 5 QuantifiedInterpolants, 358 SizeOfPredicates, 2 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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 22:38:06,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a535353b-082a-4410-84cb-b655efbb1a9a/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