./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:01:25,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:25,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:01:25,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:25,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:25,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:25,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:25,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:25,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:25,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:25,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:25,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:25,779 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:25,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:25,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:25,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:01:25,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:25,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:25,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:25,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:25,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:01:25,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:01:25,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:25,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:25,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:25,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:25,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:25,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:25,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:25,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:25,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:25,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:01:25,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:01:25,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:25,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:25,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:25,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:25,793 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:25,793 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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d [2023-11-06 23:01:26,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:26,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:26,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:26,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:26,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:26,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-06 23:01:29,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:29,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:29,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-06 23:01:29,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/5bab32fc3/25a21f5d1ea34081b238b5d3544bd32c/FLAGa4cee505b [2023-11-06 23:01:29,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/5bab32fc3/25a21f5d1ea34081b238b5d3544bd32c [2023-11-06 23:01:29,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:29,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:29,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:29,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:29,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:29,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:29" (1/1) ... [2023-11-06 23:01:29,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5305f851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:29, skipping insertion in model container [2023-11-06 23:01:29,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:29" (1/1) ... [2023-11-06 23:01:30,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:30,571 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:01:31,821 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.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 23:01:31,830 INFO L158 Benchmark]: Toolchain (without parser) took 1862.05ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 80.7MB in the beginning and 145.1MB in the end (delta: -64.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-06 23:01:31,830 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:01:31,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1855.55ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 80.3MB in the beginning and 145.1MB in the end (delta: -64.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-06 23:01:31,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1855.55ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 80.3MB in the beginning and 145.1MB in the end (delta: -64.8MB). Peak memory consumption was 29.0MB. 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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:01:34,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:34,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 23:01:34,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:34,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:34,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 23:01:34,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:34,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:34,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:34,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:34,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:34,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:34,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:34,699 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:34,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:34,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:34,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:34,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:34,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:34,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:34,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:01:34,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:01:34,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:01:34,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:01:34,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:01:34,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:34,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:34,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:34,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:34,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:34,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:34,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:34,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:34,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:34,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:01:34,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:01:34,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:34,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:34,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:34,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:34,712 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:01:34,712 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:34,712 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_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d [2023-11-06 23:01:35,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:35,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:35,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:35,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:35,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:35,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-06 23:01:38,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:39,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:39,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-06 23:01:39,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/63f930712/ba07875fca3c4eaeb4f83e3a2edda514/FLAGed687acec [2023-11-06 23:01:39,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/data/63f930712/ba07875fca3c4eaeb4f83e3a2edda514 [2023-11-06 23:01:39,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:39,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:39,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:39,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:39,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:39,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:39" (1/1) ... [2023-11-06 23:01:39,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcc80d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:39, skipping insertion in model container [2023-11-06 23:01:39,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:39" (1/1) ... [2023-11-06 23:01:39,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:39,797 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:01:41,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:41,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:01:41,169 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:01:41,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:41,676 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,676 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,676 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,677 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,677 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,677 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:41,686 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:01:41,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41 WrapperNode [2023-11-06 23:01:41,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:41,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:41,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:01:41,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:01:41,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,781 INFO L138 Inliner]: procedures = 945, calls = 77, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-11-06 23:01:41,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:41,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:01:41,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:01:41,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:01:41,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:01:41,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:01:41,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:01:41,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:01:41,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (1/1) ... [2023-11-06 23:01:41,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:41,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:01:41,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:01:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 23:01:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 23:01:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:01:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:01:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:01:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:01:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 23:01:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 23:01:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 23:01:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 23:01:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 23:01:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:01:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:01:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:01:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:01:42,289 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:01:42,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:01:47,681 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:01:47,688 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:01:47,688 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:01:47,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:47 BoogieIcfgContainer [2023-11-06 23:01:47,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:01:47,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:01:47,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:01:47,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:01:47,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:01:39" (1/3) ... [2023-11-06 23:01:47,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e9d963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:47, skipping insertion in model container [2023-11-06 23:01:47,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:41" (2/3) ... [2023-11-06 23:01:47,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e9d963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:47, skipping insertion in model container [2023-11-06 23:01:47,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:47" (3/3) ... [2023-11-06 23:01:47,700 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-06 23:01:47,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:01:47,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-06 23:01:47,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:01:47,777 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;@5d84a0e9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:01:47,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-06 23:01:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 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 23:01:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 23:01:47,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:47,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:47,791 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 23:01:47,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1836359351, now seen corresponding path program 1 times [2023-11-06 23:01:47,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:47,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219220544] [2023-11-06 23:01:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:47,813 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 23:01:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:47,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:47,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:48,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:01:48,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:48,134 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 23:01:48,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:48,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:01:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219220544] [2023-11-06 23:01:48,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219220544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:48,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:48,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:01:48,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103629579] [2023-11-06 23:01:48,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:48,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:48,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:01:48,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:48,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:48,189 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 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 23:01:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:48,346 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-11-06 23:01:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:48,352 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 23:01:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:48,363 INFO L225 Difference]: With dead ends: 40 [2023-11-06 23:01:48,364 INFO L226 Difference]: Without dead ends: 27 [2023-11-06 23:01:48,367 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 23:01:48,372 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:48,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:48,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-06 23:01:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-06 23:01:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.263157894736842) 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 23:01:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2023-11-06 23:01:48,437 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 9 [2023-11-06 23:01:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:48,440 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-06 23:01:48,440 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 23:01:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-06 23:01:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-06 23:01:48,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:48,444 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] [2023-11-06 23:01:48,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:48,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:48,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 23:01:48,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:48,663 INFO L85 PathProgramCache]: Analyzing trace with hash -215862654, now seen corresponding path program 1 times [2023-11-06 23:01:48,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:48,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413757738] [2023-11-06 23:01:48,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:48,664 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 23:01:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:48,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:48,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:48,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:01:48,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:48,993 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 23:01:48,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:48,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:01:48,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413757738] [2023-11-06 23:01:48,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413757738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:48,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:48,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:48,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8113407] [2023-11-06 23:01:48,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:48,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:48,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:01:48,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:48,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:48,999 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:01:51,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:01:53,113 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 23:01:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:53,258 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2023-11-06 23:01:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:01:53,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2023-11-06 23:01:53,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:53,265 INFO L225 Difference]: With dead ends: 28 [2023-11-06 23:01:53,265 INFO L226 Difference]: Without dead ends: 27 [2023-11-06 23:01:53,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 23:01:53,267 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:53,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 63 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 23:01:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-06 23:01:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2023-11-06 23:01:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 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 23:01:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2023-11-06 23:01:53,275 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 20 [2023-11-06 23:01:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:53,275 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-11-06 23:01:53,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:01:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-06 23:01:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 23:01:53,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:53,277 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 23:01:53,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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)] Ended with exit code 0 [2023-11-06 23:01:53,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:53,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 23:01:53,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:53,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1898196421, now seen corresponding path program 1 times [2023-11-06 23:01:53,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:53,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270626132] [2023-11-06 23:01:53,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:53,495 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 23:01:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:53,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:53,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:53,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:01:53,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:53,786 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 23:01:53,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:53,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:01:53,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270626132] [2023-11-06 23:01:53,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270626132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:53,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:53,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:53,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430170729] [2023-11-06 23:01:53,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:53,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:53,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:01:53,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:53,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:53,791 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:01:53,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:53,836 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-11-06 23:01:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:53,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:01:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:53,838 INFO L225 Difference]: With dead ends: 31 [2023-11-06 23:01:53,838 INFO L226 Difference]: Without dead ends: 26 [2023-11-06 23:01:53,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 23:01:53,841 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:53,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-06 23:01:53,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-06 23:01:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.1578947368421053) 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 23:01:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-11-06 23:01:53,849 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 21 [2023-11-06 23:01:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:53,850 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-11-06 23:01:53,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:01:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-06 23:01:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 23:01:53,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:53,852 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 23:01:53,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:54,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:54,068 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 23:01:54,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:54,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1285578012, now seen corresponding path program 1 times [2023-11-06 23:01:54,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:54,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926955660] [2023-11-06 23:01:54,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:54,070 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 23:01:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:54,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:01:54,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:03:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:50,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:03:50,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:51,684 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 23:03:51,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:51,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:51,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926955660] [2023-11-06 23:03:51,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926955660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:51,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:51,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:51,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613112531] [2023-11-06 23:03:51,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:51,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:03:51,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:51,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:03:51,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:51,689 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:03:54,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:56,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:58,072 WARN L539 Checker$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 23:03:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:58,073 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-06 23:03:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:58,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-06 23:03:58,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:58,081 INFO L225 Difference]: With dead ends: 26 [2023-11-06 23:03:58,081 INFO L226 Difference]: Without dead ends: 25 [2023-11-06 23:03:58,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:58,082 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:58,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 82 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 23:03:58,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-06 23:03:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-06 23:03:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 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 23:03:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-11-06 23:03:58,089 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 22 [2023-11-06 23:03:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:58,090 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-06 23:03:58,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:03:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-06 23:03:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 23:03:58,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:58,092 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 23:03:58,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:03:58,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:03:58,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-06 23:03:58,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:58,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1198212633, now seen corresponding path program 1 times [2023-11-06 23:03:58,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:58,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49593284] [2023-11-06 23:03:58,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,296 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 23:03:58,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:58,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:03:58,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:05:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:43,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:05:43,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:44,224 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 23:05:44,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:44,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:44,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49593284] [2023-11-06 23:05:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49593284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:44,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:44,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:05:44,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120851239] [2023-11-06 23:05:44,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:44,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:05:44,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:44,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:05:44,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:05:44,227 INFO L87 Difference]: Start difference. First operand 25 states and 27 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 23:05:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:44,607 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2023-11-06 23:05:44,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:05:44,613 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 23:05:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:44,613 INFO L225 Difference]: With dead ends: 25 [2023-11-06 23:05:44,614 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:05:44,614 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 23:05:44,615 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:44,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:05:44,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:05:44,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:05:44,616 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 23:05:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:05:44,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-11-06 23:05:44,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:44,617 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:05:44,617 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 23:05:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:05:44,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:05:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-11-06 23:05:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-11-06 23:05:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-11-06 23:05:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-11-06 23:05:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2023-11-06 23:05:44,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:44,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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 23:05:44,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:05:44,861 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 23:05:44,862 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:05:44,862 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 23:05:44,863 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:05:44,864 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 23:05:44,864 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:05:44,864 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:05:44,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1873) no Hoare annotation was computed. [2023-11-06 23:05:44,864 INFO L899 garLoopResultBuilder]: For program point L1852(lines 1852 1881) no Hoare annotation was computed. [2023-11-06 23:05:44,865 INFO L895 garLoopResultBuilder]: At program point L1848(line 1848) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2023-11-06 23:05:44,865 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2023-11-06 23:05:44,865 INFO L899 garLoopResultBuilder]: For program point L1873(line 1873) no Hoare annotation was computed. [2023-11-06 23:05:44,865 INFO L899 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2023-11-06 23:05:44,865 INFO L902 garLoopResultBuilder]: At program point L1865(line 1865) the Hoare annotation is: true [2023-11-06 23:05:44,865 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1887 1894) the Hoare annotation is: true [2023-11-06 23:05:44,866 INFO L899 garLoopResultBuilder]: For program point L1865-1(lines 1859 1866) no Hoare annotation was computed. [2023-11-06 23:05:44,866 INFO L902 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: true [2023-11-06 23:05:44,866 INFO L899 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2023-11-06 23:05:44,866 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:05:44,866 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1847) no Hoare annotation was computed. [2023-11-06 23:05:44,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1873) no Hoare annotation was computed. [2023-11-06 23:05:44,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:05:44,867 INFO L899 garLoopResultBuilder]: For program point L1882(lines 1882 1886) no Hoare annotation was computed. [2023-11-06 23:05:44,868 INFO L902 garLoopResultBuilder]: At program point L1878(line 1878) the Hoare annotation is: true [2023-11-06 23:05:44,868 INFO L899 garLoopResultBuilder]: For program point L1878-1(lines 1871 1879) no Hoare annotation was computed. [2023-11-06 23:05:44,868 INFO L902 garLoopResultBuilder]: At program point L1874(line 1874) the Hoare annotation is: true [2023-11-06 23:05:44,868 INFO L899 garLoopResultBuilder]: For program point L1874-1(line 1874) no Hoare annotation was computed. [2023-11-06 23:05:44,869 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1851) no Hoare annotation was computed. [2023-11-06 23:05:44,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1847) no Hoare annotation was computed. [2023-11-06 23:05:44,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:05:44,869 INFO L899 garLoopResultBuilder]: For program point L1871(line 1871) no Hoare annotation was computed. [2023-11-06 23:05:44,869 INFO L899 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2023-11-06 23:05:44,870 INFO L899 garLoopResultBuilder]: For program point L1871-3(lines 1871 1879) no Hoare annotation was computed. [2023-11-06 23:05:44,870 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:05:44,870 INFO L902 garLoopResultBuilder]: At program point L1892(line 1892) the Hoare annotation is: true [2023-11-06 23:05:44,870 INFO L899 garLoopResultBuilder]: For program point L1859(lines 1859 1866) no Hoare annotation was computed. [2023-11-06 23:05:44,870 INFO L899 garLoopResultBuilder]: For program point L1892-1(line 1892) no Hoare annotation was computed. [2023-11-06 23:05:44,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2023-11-06 23:05:44,871 INFO L899 garLoopResultBuilder]: For program point L1847(line 1847) no Hoare annotation was computed. [2023-11-06 23:05:44,871 INFO L899 garLoopResultBuilder]: For program point L1847-1(line 1847) no Hoare annotation was computed. [2023-11-06 23:05:44,874 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 23:05:44,877 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:05:44,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:05:44 BoogieIcfgContainer [2023-11-06 23:05:44,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:05:44,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:05:44,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:05:44,885 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:05:44,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:47" (3/4) ... [2023-11-06 23:05:44,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:05:44,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 23:05:44,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 23:05:44,901 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 23:05:44,901 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 23:05:44,902 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:05:44,902 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:05:44,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:05:44,971 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:05:44,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:05:44,972 INFO L158 Benchmark]: Toolchain (without parser) took 245819.51ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 34.7MB in the end (delta: 13.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,972 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:05:44,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2530.94ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 48.1MB in the beginning and 63.7MB in the end (delta: -15.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.46ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 59.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,974 INFO L158 Benchmark]: Boogie Preprocessor took 71.61ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,974 INFO L158 Benchmark]: RCFGBuilder took 5835.24ms. Allocated memory is still 102.8MB. Free memory was 57.4MB in the beginning and 39.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,975 INFO L158 Benchmark]: TraceAbstraction took 237191.75ms. Allocated memory is still 102.8MB. Free memory was 38.5MB in the beginning and 38.9MB in the end (delta: -382.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:05:44,975 INFO L158 Benchmark]: Witness Printer took 86.64ms. Allocated memory is still 102.8MB. Free memory was 38.9MB in the beginning and 34.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:05:44,978 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 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2530.94ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 48.1MB in the beginning and 63.7MB in the end (delta: -15.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.46ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 59.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.61ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5835.24ms. Allocated memory is still 102.8MB. Free memory was 57.4MB in the beginning and 39.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 237191.75ms. Allocated memory is still 102.8MB. Free memory was 38.5MB in the beginning and 38.9MB in the end (delta: -382.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.64ms. Allocated memory is still 102.8MB. Free memory was 38.9MB in the beginning and 34.7MB in the end (delta: 4.2MB). 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: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1873]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1873]: 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, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 237.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 139 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 11 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 222.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 5 QuantifiedInterpolants, 397 SizeOfPredicates, 9 NumberOfNonLiveVariables, 527 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1887]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:05:45,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75113cf6-1c6e-4394-92cd-62c5de59e5d9/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