./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 e59e6451743f6261be1c0ee4baaaa60ce8697429a2f300a0e1b0cd12041f7dee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:26:27,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:26:27,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:26:27,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:26:27,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:26:27,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:26:27,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:26:27,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:26:27,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:26:27,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:26:27,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:26:27,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:26:27,499 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:26:27,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:26:27,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:26:27,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:26:27,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:26:27,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:26:27,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:26:27,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:26:27,505 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:26:27,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:26:27,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:26:27,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:26:27,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:26:27,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:26:27,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:26:27,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:27,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:26:27,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:26:27,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:26:27,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:26:27,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:26:27,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:26:27,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:26:27,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:26:27,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:26:27,512 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:26:27,512 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59e6451743f6261be1c0ee4baaaa60ce8697429a2f300a0e1b0cd12041f7dee [2023-11-06 22:26:27,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:26:27,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:26:27,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:26:27,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:26:27,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:26:27,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i [2023-11-06 22:26:31,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:26:31,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:26:31,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i [2023-11-06 22:26:31,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/6a72653d0/267d0d48258243f7bb95ee737120ec20/FLAG4f4fe29b7 [2023-11-06 22:26:31,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/6a72653d0/267d0d48258243f7bb95ee737120ec20 [2023-11-06 22:26:31,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:26:31,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:26:31,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:31,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:26:31,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:26:31,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:31" (1/1) ... [2023-11-06 22:26:31,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4577dabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:31, skipping insertion in model container [2023-11-06 22:26:31,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:31" (1/1) ... [2023-11-06 22:26:31,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:26:32,374 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:26:33,841 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2225) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1472) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:945) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:608) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-11-06 22:26:33,846 INFO L158 Benchmark]: Toolchain (without parser) took 2127.01ms. Allocated memory is still 127.9MB. Free memory was 86.0MB in the beginning and 62.4MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:26:33,847 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 51.3MB in the beginning and 51.1MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:26:33,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2121.61ms. Allocated memory is still 127.9MB. Free memory was 86.0MB in the beginning and 62.4MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:26:33,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 51.3MB in the beginning and 51.1MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2121.61ms. Allocated memory is still 127.9MB. Free memory was 86.0MB in the beginning and 62.4MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 e59e6451743f6261be1c0ee4baaaa60ce8697429a2f300a0e1b0cd12041f7dee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:26:36,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:26:36,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 22:26:36,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:26:36,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:26:36,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 22:26:36,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:26:36,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:26:36,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:26:36,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:26:36,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:26:36,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:26:36,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:26:36,666 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:26:36,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:26:36,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:26:36,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:26:36,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:26:36,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:26:36,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:26:36,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:26:36,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:26:36,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:26:36,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:26:36,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:26:36,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:26:36,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:26:36,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:26:36,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:26:36,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:26:36,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:36,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:26:36,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:26:36,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:26:36,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:26:36,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:26:36,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:26:36,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:26:36,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:26:36,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:26:36,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:26:36,682 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:26:36,682 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59e6451743f6261be1c0ee4baaaa60ce8697429a2f300a0e1b0cd12041f7dee [2023-11-06 22:26:37,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:26:37,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:26:37,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:26:37,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:26:37,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:26:37,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i [2023-11-06 22:26:40,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:26:41,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:26:41,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_64_good.i [2023-11-06 22:26:41,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/6ee540cde/6b3c0687be1e4b14a7d9fef553da8d15/FLAG5f198597e [2023-11-06 22:26:41,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/data/6ee540cde/6b3c0687be1e4b14a7d9fef553da8d15 [2023-11-06 22:26:41,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:26:41,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:26:41,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:41,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:26:41,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:26:41,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:41" (1/1) ... [2023-11-06 22:26:41,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a45a844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:41, skipping insertion in model container [2023-11-06 22:26:41,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:41" (1/1) ... [2023-11-06 22:26:41,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:26:41,814 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:26:42,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:42,954 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:26:42,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:26:43,026 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:26:43,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:43,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:26:43,183 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:26:43,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:26:43,712 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,712 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,712 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,713 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,713 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,713 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:26:43,721 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:26:43,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43 WrapperNode [2023-11-06 22:26:43,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:26:43,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:43,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:26:43,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:26:43,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,810 INFO L138 Inliner]: procedures = 947, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2023-11-06 22:26:43,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:26:43,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:26:43,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:26:43,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:26:43,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:26:43,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:26:43,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:26:43,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:26:43,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (1/1) ... [2023-11-06 22:26:43,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:26:43,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:26:43,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:26:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:26:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 22:26:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 22:26:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:26:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:26:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:26:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:26:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:26:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 22:26:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:26:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:26:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:26:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:26:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:26:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:26:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:26:44,132 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:26:44,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:26:49,060 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:26:49,066 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:26:49,066 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:26:49,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:49 BoogieIcfgContainer [2023-11-06 22:26:49,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:26:49,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:26:49,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:26:49,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:26:49,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:26:41" (1/3) ... [2023-11-06 22:26:49,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a2a4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:49, skipping insertion in model container [2023-11-06 22:26:49,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:43" (2/3) ... [2023-11-06 22:26:49,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a2a4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:49, skipping insertion in model container [2023-11-06 22:26:49,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:49" (3/3) ... [2023-11-06 22:26:49,077 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_64_good.i [2023-11-06 22:26:49,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:26:49,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-06 22:26:49,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:26:49,149 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@46813b06, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:26:49,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-06 22:26:49,156 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) [2023-11-06 22:26:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 22:26:49,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:26:49,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:26:49,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:26:49,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash -683598661, now seen corresponding path program 1 times [2023-11-06 22:26:49,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:26:49,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643627668] [2023-11-06 22:26:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:26:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:26:49,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:26:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:26:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:49,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:26:49,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:26:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:49,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:26:49,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:26:49,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643627668] [2023-11-06 22:26:49,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643627668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:49,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:26:49,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677498700] [2023-11-06 22:26:49,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:49,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:26:49,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:26:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:26:49,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:49,712 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:26:49,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:26:49,868 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2023-11-06 22:26:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:26:49,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-06 22:26:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:26:49,879 INFO L225 Difference]: With dead ends: 41 [2023-11-06 22:26:49,879 INFO L226 Difference]: Without dead ends: 29 [2023-11-06 22:26:49,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:49,887 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 4 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:26:49,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 84 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:26:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-06 22:26:49,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-06 22:26:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:26:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-11-06 22:26:49,937 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2023-11-06 22:26:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:26:49,939 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-11-06 22:26:49,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:26:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-06 22:26:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:26:49,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:26:49,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:26:49,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:26:50,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:50,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:26:50,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:50,159 INFO L85 PathProgramCache]: Analyzing trace with hash 283278037, now seen corresponding path program 1 times [2023-11-06 22:26:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:26:50,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416063896] [2023-11-06 22:26:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:50,161 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 [2023-11-06 22:26:50,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:26:50,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:26:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:26:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:50,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:26:50,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:26:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:50,528 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:26:50,528 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:26:50,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416063896] [2023-11-06 22:26:50,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416063896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:50,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:50,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:26:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755038387] [2023-11-06 22:26:50,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:50,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:26:50,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:26:50,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:26:50,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:50,533 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-06 22:26:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:26:50,609 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2023-11-06 22:26:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:26:50,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2023-11-06 22:26:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:26:50,612 INFO L225 Difference]: With dead ends: 29 [2023-11-06 22:26:50,613 INFO L226 Difference]: Without dead ends: 28 [2023-11-06 22:26:50,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:50,615 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:26:50,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:26:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-06 22:26:50,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-06 22:26:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:26:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2023-11-06 22:26:50,622 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 10 [2023-11-06 22:26:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:26:50,623 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2023-11-06 22:26:50,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-06 22:26:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-06 22:26:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:26:50,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:26:50,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:26:50,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:26:50,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:50,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:26:50,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1179910938, now seen corresponding path program 1 times [2023-11-06 22:26:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:26:50,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210763614] [2023-11-06 22:26:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:50,846 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 [2023-11-06 22:26:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:26:50,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:26:50,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:51,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:26:51,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:26:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:51,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:26:51,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:26:51,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210763614] [2023-11-06 22:26:51,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210763614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:51,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:51,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:26:51,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556040683] [2023-11-06 22:26:51,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:51,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:26:51,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:26:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:26:51,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:26:51,218 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:26:53,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:26:55,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:26:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:26:55,512 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2023-11-06 22:26:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:26:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-06 22:26:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:26:55,518 INFO L225 Difference]: With dead ends: 29 [2023-11-06 22:26:55,518 INFO L226 Difference]: Without dead ends: 28 [2023-11-06 22:26:55,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:26:55,520 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:26:55,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 68 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2023-11-06 22:26:55,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-06 22:26:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2023-11-06 22:26:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:26:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2023-11-06 22:26:55,527 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 21 [2023-11-06 22:26:55,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:26:55,528 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-06 22:26:55,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:26:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-06 22:26:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 22:26:55,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:26:55,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:26:55,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:26:55,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:55,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:26:55,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2077470691, now seen corresponding path program 1 times [2023-11-06 22:26:55,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:26:55,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750155965] [2023-11-06 22:26:55,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:55,748 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 [2023-11-06 22:26:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:26:55,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:26:55,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:26:56,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:26:56,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:26:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:26:56,086 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:26:56,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:26:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750155965] [2023-11-06 22:26:56,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750155965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:26:56,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:26:56,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:26:56,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589358178] [2023-11-06 22:26:56,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:26:56,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:26:56,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:26:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:26:56,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:56,094 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:26:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:26:56,129 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2023-11-06 22:26:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:26:56,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-06 22:26:56,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:26:56,131 INFO L225 Difference]: With dead ends: 32 [2023-11-06 22:26:56,133 INFO L226 Difference]: Without dead ends: 27 [2023-11-06 22:26:56,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:26:56,135 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:26:56,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:26:56,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-06 22:26:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-06 22:26:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:26:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2023-11-06 22:26:56,141 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 22 [2023-11-06 22:26:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:26:56,141 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2023-11-06 22:26:56,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:26:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-06 22:26:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:26:56,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:26:56,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:26:56,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:26:56,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:26:56,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:26:56,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:26:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash -23042936, now seen corresponding path program 1 times [2023-11-06 22:26:56,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:26:56,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417578026] [2023-11-06 22:26:56,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:26:56,346 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 [2023-11-06 22:26:56,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:26:56,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:26:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:28:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:29,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:28:29,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:29,753 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:29,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:28:29,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417578026] [2023-11-06 22:28:29,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417578026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:29,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:29,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:28:29,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584497119] [2023-11-06 22:28:29,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:29,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:28:29,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:28:29,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:28:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:28:29,756 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-06 22:28:32,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:28:34,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:28:36,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:28:36,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:36,086 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2023-11-06 22:28:36,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:28:36,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 23 [2023-11-06 22:28:36,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:36,093 INFO L225 Difference]: With dead ends: 27 [2023-11-06 22:28:36,093 INFO L226 Difference]: Without dead ends: 26 [2023-11-06 22:28:36,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:28:36,095 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:36,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 89 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 22:28:36,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-06 22:28:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-06 22:28:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:28:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-11-06 22:28:36,100 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 23 [2023-11-06 22:28:36,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:36,100 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-11-06 22:28:36,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-06 22:28:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-06 22:28:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:28:36,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:36,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:36,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-06 22:28:36,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:36,302 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 22:28:36,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash -714330939, now seen corresponding path program 1 times [2023-11-06 22:28:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:28:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756633368] [2023-11-06 22:28:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:36,304 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 [2023-11-06 22:28:36,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:28:36,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:28:36,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 22:30:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:06,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:30:06,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:30:07,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:07,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:30:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756633368] [2023-11-06 22:30:07,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756633368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:07,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:07,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:30:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821856504] [2023-11-06 22:30:07,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:07,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:30:07,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:30:07,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:30:07,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:30:07,059 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2023-11-06 22:30:07,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:07,316 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-06 22:30:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:30:07,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 24 [2023-11-06 22:30:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:07,323 INFO L225 Difference]: With dead ends: 26 [2023-11-06 22:30:07,323 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:30:07,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:07,324 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:07,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:30:07,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:30:07,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:30:07,325 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) [2023-11-06 22:30:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:30:07,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-06 22:30:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:07,326 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:30:07,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2023-11-06 22:30:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:30:07,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:30:07,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-11-06 22:30:07,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-11-06 22:30:07,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-11-06 22:30:07,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-11-06 22:30:07,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-11-06 22:30:07,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:30:07,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:30:07,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 22:30:07,561 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:30:07,561 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 22:30:07,561 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:30:07,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 22:30:07,561 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:30:07,562 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:30:07,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2023-11-06 22:30:07,562 INFO L895 garLoopResultBuilder]: At program point L1877(line 1877) the Hoare annotation is: (= (concat (concat (concat (_ bv0 8) (_ bv0 8)) (_ bv0 8)) (_ bv2 8)) |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_64b_goodG2BSink_~data~2#1|) [2023-11-06 22:30:07,562 INFO L899 garLoopResultBuilder]: For program point L1877-1(line 1877) no Hoare annotation was computed. [2023-11-06 22:30:07,562 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1863 1870) the Hoare annotation is: true [2023-11-06 22:30:07,562 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:30:07,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2023-11-06 22:30:07,563 INFO L899 garLoopResultBuilder]: For program point L1886(line 1886) no Hoare annotation was computed. [2023-11-06 22:30:07,563 INFO L902 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: true [2023-11-06 22:30:07,563 INFO L899 garLoopResultBuilder]: For program point L1886-1(line 1886) no Hoare annotation was computed. [2023-11-06 22:30:07,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2023-11-06 22:30:07,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:30:07,564 INFO L899 garLoopResultBuilder]: For program point L1853-1(lines 1847 1854) no Hoare annotation was computed. [2023-11-06 22:30:07,564 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1857) no Hoare annotation was computed. [2023-11-06 22:30:07,564 INFO L902 garLoopResultBuilder]: At program point L1866(line 1866) the Hoare annotation is: true [2023-11-06 22:30:07,564 INFO L899 garLoopResultBuilder]: For program point L1866-1(line 1866) no Hoare annotation was computed. [2023-11-06 22:30:07,564 INFO L899 garLoopResultBuilder]: For program point L1833(lines 1833 1839) no Hoare annotation was computed. [2023-11-06 22:30:07,564 INFO L902 garLoopResultBuilder]: At program point L1891(line 1891) the Hoare annotation is: true [2023-11-06 22:30:07,565 INFO L899 garLoopResultBuilder]: For program point L1891-1(lines 1880 1893) no Hoare annotation was computed. [2023-11-06 22:30:07,565 INFO L899 garLoopResultBuilder]: For program point L1858(lines 1858 1862) no Hoare annotation was computed. [2023-11-06 22:30:07,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2023-11-06 22:30:07,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:30:07,565 INFO L902 garLoopResultBuilder]: At program point L1887(line 1887) the Hoare annotation is: true [2023-11-06 22:30:07,565 INFO L899 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point L1871(lines 1871 1879) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1884) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point L1884(line 1884) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point L1884-1(line 1884) no Hoare annotation was computed. [2023-11-06 22:30:07,566 INFO L899 garLoopResultBuilder]: For program point L1884-3(lines 1884 1892) no Hoare annotation was computed. [2023-11-06 22:30:07,567 INFO L899 garLoopResultBuilder]: For program point L1847(lines 1847 1854) no Hoare annotation was computed. [2023-11-06 22:30:07,567 INFO L899 garLoopResultBuilder]: For program point L1876(line 1876) no Hoare annotation was computed. [2023-11-06 22:30:07,567 INFO L899 garLoopResultBuilder]: For program point L1876-1(line 1876) no Hoare annotation was computed. [2023-11-06 22:30:07,567 INFO L902 garLoopResultBuilder]: At program point L1868(line 1868) the Hoare annotation is: true [2023-11-06 22:30:07,567 INFO L899 garLoopResultBuilder]: For program point L1868-1(line 1868) no Hoare annotation was computed. [2023-11-06 22:30:07,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:30:07,573 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:30:07,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:30:07 BoogieIcfgContainer [2023-11-06 22:30:07,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:30:07,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:30:07,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:30:07,580 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:30:07,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:49" (3/4) ... [2023-11-06 22:30:07,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:30:07,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 22:30:07,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 22:30:07,593 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-06 22:30:07,593 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 22:30:07,593 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:30:07,594 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:30:07,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:30:07,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:30:07,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:30:07,648 INFO L158 Benchmark]: Toolchain (without parser) took 206547.50ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 36.4MB in the beginning and 65.7MB in the end (delta: -29.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-06 22:30:07,649 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:07,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2617.47ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 36.1MB in the beginning and 73.4MB in the end (delta: -37.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-06 22:30:07,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.83ms. Allocated memory is still 113.2MB. Free memory was 73.4MB in the beginning and 69.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:30:07,650 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:07,650 INFO L158 Benchmark]: RCFGBuilder took 5210.78ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 46.1MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:07,651 INFO L158 Benchmark]: TraceAbstraction took 198508.80ms. Allocated memory is still 113.2MB. Free memory was 45.0MB in the beginning and 70.0MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:07,651 INFO L158 Benchmark]: Witness Printer took 67.80ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 65.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:30:07,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2617.47ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 36.1MB in the beginning and 73.4MB in the end (delta: -37.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.83ms. Allocated memory is still 113.2MB. Free memory was 73.4MB in the beginning and 69.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5210.78ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 46.1MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 198508.80ms. Allocated memory is still 113.2MB. Free memory was 45.0MB in the beginning and 70.0MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.80ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 65.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. 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: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: 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: 198.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 439 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 173 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 17 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 182.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 6 QuantifiedInterpolants, 443 SizeOfPredicates, 23 NumberOfNonLiveVariables, 871 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1863]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:30:07,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4db5e93-47f0-479f-9c79-3546df0bae59/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE