./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15ce967a18b5e33b732ed0788454411b8fc35792f9a749e5a08090dd2bf6f9f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:54:26,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:54:26,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:54:26,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:54:26,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:54:26,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:54:26,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:54:26,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:54:26,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:54:26,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:54:26,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:54:26,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:54:26,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:54:26,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:54:26,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:54:26,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:54:26,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:54:26,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:54:26,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:54:26,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:54:26,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:54:26,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:54:26,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:54:26,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:54:26,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:54:26,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:54:26,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:54:26,996 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:54:26,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:26,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:26,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:26,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:26,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:54:26,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:26,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:26,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:26,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:26,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:54:27,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:54:27,000 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:54:27,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:54:27,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:54:27,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:54:27,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:54:27,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:54:27,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:54:27,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:54:27,001 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15ce967a18b5e33b732ed0788454411b8fc35792f9a749e5a08090dd2bf6f9f9 [2024-11-24 01:54:27,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:54:27,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:54:27,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:54:27,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:54:27,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:54:27,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i [2024-11-24 01:54:31,830 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/4b6675253/e8a5ebc8a32b42b2a50452e20610ca52/FLAG14630713d [2024-11-24 01:54:32,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:54:32,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i [2024-11-24 01:54:32,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/4b6675253/e8a5ebc8a32b42b2a50452e20610ca52/FLAG14630713d [2024-11-24 01:54:32,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/4b6675253/e8a5ebc8a32b42b2a50452e20610ca52 [2024-11-24 01:54:32,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:54:32,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:54:32,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:54:32,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:54:32,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:54:32,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:32" (1/1) ... [2024-11-24 01:54:32,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6505a96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:32, skipping insertion in model container [2024-11-24 01:54:32,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:32" (1/1) ... [2024-11-24 01:54:32,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:54:35,793 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1019) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1752) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 01:54:35,804 INFO L158 Benchmark]: Toolchain (without parser) took 3162.61ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 101.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:54:35,805 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:54:35,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3158.39ms. Allocated memory is still 167.8MB. Free memory was 125.6MB in the beginning and 101.7MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:54:35,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3158.39ms. Allocated memory is still 167.8MB. Free memory was 125.6MB in the beginning and 101.7MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15ce967a18b5e33b732ed0788454411b8fc35792f9a749e5a08090dd2bf6f9f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:54:39,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:54:39,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-24 01:54:39,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:54:39,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:54:39,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-24 01:54:39,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:54:39,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:54:39,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:54:39,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:54:39,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:54:39,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:54:39,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:54:39,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:54:39,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:54:39,569 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:54:39,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:54:39,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:54:39,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:54:39,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:54:39,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:54:39,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:54:39,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:54:39,571 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:54:39,571 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:54:39,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:54:39,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:54:39,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:54:39,572 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:54:39,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:54:39,572 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:54:39,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:39,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:39,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:39,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:39,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:54:39,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:39,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:39,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:39,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:39,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:54:39,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:54:39,575 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:54:39,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:54:39,575 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:54:39,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:54:39,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:54:39,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:54:39,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:54:39,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:54:39,576 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15ce967a18b5e33b732ed0788454411b8fc35792f9a749e5a08090dd2bf6f9f9 [2024-11-24 01:54:39,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:54:40,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:54:40,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:54:40,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:54:40,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:54:40,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i [2024-11-24 01:54:44,241 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/e45994890/37d4f4ef0f034c1fa378ae179594e3d1/FLAGec1a2540a [2024-11-24 01:54:44,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:54:44,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_42_good.i [2024-11-24 01:54:45,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/e45994890/37d4f4ef0f034c1fa378ae179594e3d1/FLAGec1a2540a [2024-11-24 01:54:45,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/data/e45994890/37d4f4ef0f034c1fa378ae179594e3d1 [2024-11-24 01:54:45,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:54:45,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:54:45,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:54:45,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:54:45,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:54:45,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:45" (1/1) ... [2024-11-24 01:54:45,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589dd856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:45, skipping insertion in model container [2024-11-24 01:54:45,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:45" (1/1) ... [2024-11-24 01:54:45,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:54:48,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:54:48,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:54:48,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:54:48,842 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:54:48,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48 WrapperNode [2024-11-24 01:54:48,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:54:48,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:54:48,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:54:48,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:54:48,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,949 INFO L138 Inliner]: procedures = 944, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-24 01:54:48,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:54:48,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:54:48,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:54:48,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:54:48,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,991 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 01:54:48,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:48,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:54:49,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:54:49,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:54:49,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:54:49,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (1/1) ... [2024-11-24 01:54:49,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:49,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:54:49,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:54:49,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:54:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 01:54:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 01:54:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:54:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:54:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:54:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:54:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:54:49,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:54:49,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:54:57,555 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-24 01:54:57,555 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:54:57,579 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:54:57,580 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:54:57,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:57 BoogieIcfgContainer [2024-11-24 01:54:57,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:54:57,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:54:57,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:54:57,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:54:57,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:54:45" (1/3) ... [2024-11-24 01:54:57,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dc1b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:54:57, skipping insertion in model container [2024-11-24 01:54:57,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:48" (2/3) ... [2024-11-24 01:54:57,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dc1b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:54:57, skipping insertion in model container [2024-11-24 01:54:57,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:57" (3/3) ... [2024-11-24 01:54:57,607 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_42_good.i [2024-11-24 01:54:57,650 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:54:57,652 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_square_42_good.i that has 3 procedures, 40 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-24 01:54:57,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:54:57,784 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32713be7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:54:57,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-24 01:54:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:54:57,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:57,804 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:57,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-24 01:54:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 435776926, now seen corresponding path program 1 times [2024-11-24 01:54:57,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:54:57,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781503550] [2024-11-24 01:54:57,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:57,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:54:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:54:57,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:54:57,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:54:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:58,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:54:58,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:54:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:54:58,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:54:58,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:54:58,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781503550] [2024-11-24 01:54:58,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781503550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:58,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:58,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:54:58,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086566406] [2024-11-24 01:54:58,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:58,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:54:58,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:54:58,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:54:58,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:54:58,215 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:55:02,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:55:06,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:55:10,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:55:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:11,082 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-24 01:55:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:55:11,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-24 01:55:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:11,094 INFO L225 Difference]: With dead ends: 43 [2024-11-24 01:55:11,095 INFO L226 Difference]: Without dead ends: 33 [2024-11-24 01:55:11,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:55:11,106 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 5 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:11,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2024-11-24 01:55:11,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-24 01:55:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-24 01:55:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-11-24 01:55:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-24 01:55:11,174 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 13 [2024-11-24 01:55:11,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:11,176 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-24 01:55:11,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:55:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-24 01:55:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 01:55:11,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:11,180 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:55:11,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:55:11,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:55:11,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-24 01:55:11,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash 624186914, now seen corresponding path program 1 times [2024-11-24 01:55:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:55:11,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021979067] [2024-11-24 01:55:11,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:11,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:55:11,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:55:11,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:55:11,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:55:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:55:11,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:55:11,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:55:11,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:55:11,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:55:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021979067] [2024-11-24 01:55:11,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021979067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:55:11,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:55:11,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:55:11,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205520097] [2024-11-24 01:55:11,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:55:11,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:55:11,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:55:11,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:55:11,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:55:11,587 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:55:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:11,623 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2024-11-24 01:55:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:55:11,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-24 01:55:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:11,625 INFO L225 Difference]: With dead ends: 46 [2024-11-24 01:55:11,625 INFO L226 Difference]: Without dead ends: 31 [2024-11-24 01:55:11,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:55:11,626 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:11,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:55:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-24 01:55:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-24 01:55:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 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) [2024-11-24 01:55:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-24 01:55:11,635 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 14 [2024-11-24 01:55:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:11,635 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-24 01:55:11,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:55:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-24 01:55:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 01:55:11,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:11,637 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:55:11,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:55:11,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:55:11,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-24 01:55:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2125167072, now seen corresponding path program 1 times [2024-11-24 01:55:11,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:55:11,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836200292] [2024-11-24 01:55:11,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:11,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:55:11,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:55:11,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:55:11,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:56:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:56:57,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:56:57,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:56:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:56:57,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:56:57,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:56:57,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836200292] [2024-11-24 01:56:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836200292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:56:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:56:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:56:57,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027793732] [2024-11-24 01:56:57,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:56:57,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:56:57,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:56:57,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:56:57,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:56:57,868 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:57:02,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:57:06,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:57:10,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:57:14,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:57:18,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:57:18,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:18,311 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2024-11-24 01:57:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:57:18,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-24 01:57:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:18,313 INFO L225 Difference]: With dead ends: 33 [2024-11-24 01:57:18,313 INFO L226 Difference]: Without dead ends: 32 [2024-11-24 01:57:18,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:18,315 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:18,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 75 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2024-11-24 01:57:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-24 01:57:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-24 01:57:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 states have internal predecessors, (28), 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) [2024-11-24 01:57:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-24 01:57:18,322 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 15 [2024-11-24 01:57:18,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:18,322 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-24 01:57:18,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:57:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-24 01:57:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 01:57:18,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:18,323 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:18,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:57:18,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:57:18,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-24 01:57:18,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1455669724, now seen corresponding path program 1 times [2024-11-24 01:57:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:57:18,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210457745] [2024-11-24 01:57:18,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:18,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:57:18,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:57:18,530 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:57:18,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 01:58:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:53,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:58:53,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:58:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:58:54,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:58:54,401 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:58:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210457745] [2024-11-24 01:58:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210457745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:54,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:54,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:58:54,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210939491] [2024-11-24 01:58:54,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:54,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:58:54,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:58:54,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:58:54,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:54,405 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:58:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:54,895 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-11-24 01:58:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:58:54,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 16 [2024-11-24 01:58:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:54,898 INFO L225 Difference]: With dead ends: 30 [2024-11-24 01:58:54,899 INFO L226 Difference]: Without dead ends: 29 [2024-11-24 01:58:54,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:54,901 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:54,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:58:54,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-24 01:58:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-24 01:58:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 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) [2024-11-24 01:58:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-11-24 01:58:54,913 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 16 [2024-11-24 01:58:54,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:54,914 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-24 01:58:54,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:58:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-24 01:58:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 01:58:54,915 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:54,915 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:58:54,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 01:58:55,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:58:55,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-24 01:58:55,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1831909876, now seen corresponding path program 1 times [2024-11-24 01:58:55,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:58:55,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838096437] [2024-11-24 01:58:55,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:55,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:55,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:58:55,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:58:55,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:58:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:55,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:58:55,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:58:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:58:55,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:58:55,329 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:58:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838096437] [2024-11-24 01:58:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838096437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:55,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:55,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:58:55,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892022806] [2024-11-24 01:58:55,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:55,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:58:55,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:58:55,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:58:55,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:55,332 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:58:55,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:55,406 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2024-11-24 01:58:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:58:55,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-24 01:58:55,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:55,414 INFO L225 Difference]: With dead ends: 29 [2024-11-24 01:58:55,414 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:58:55,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:55,416 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:55,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 83 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:58:55,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:58:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:58:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:58:55,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-24 01:58:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:55,418 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:58:55,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:58:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:58:55,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:58:55,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2024-11-24 01:58:55,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-24 01:58:55,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-24 01:58:55,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-24 01:58:55,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-24 01:58:55,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:58:55,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:55,628 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:58:55,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:58:55,649 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:58:55,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:58:55 BoogieIcfgContainer [2024-11-24 01:58:55,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:58:55,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:58:55,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:58:55,658 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:58:55,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:57" (3/4) ... [2024-11-24 01:58:55,662 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:58:55,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 01:58:55,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 01:58:55,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-24 01:58:55,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 01:58:55,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:58:55,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:58:55,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:58:55,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:58:55,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:58:55,784 INFO L158 Benchmark]: Toolchain (without parser) took 250707.51ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.7MB in the beginning and 48.0MB in the end (delta: 7.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,785 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:58:55,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3764.95ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 26.9MB in the end (delta: 28.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.17ms. Allocated memory is still 83.9MB. Free memory was 26.4MB in the beginning and 48.0MB in the end (delta: -21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,787 INFO L158 Benchmark]: Boogie Preprocessor took 65.37ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 45.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:58:55,788 INFO L158 Benchmark]: RCFGBuilder took 8564.54ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 30.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,788 INFO L158 Benchmark]: TraceAbstraction took 238069.69ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 30.3MB in the beginning and 53.0MB in the end (delta: -22.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,789 INFO L158 Benchmark]: Witness Printer took 124.86ms. Allocated memory is still 167.8MB. Free memory was 53.0MB in the beginning and 48.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3764.95ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 26.9MB in the end (delta: 28.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.17ms. Allocated memory is still 83.9MB. Free memory was 26.4MB in the beginning and 48.0MB in the end (delta: -21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.37ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 45.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 8564.54ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 30.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 238069.69ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 30.3MB in the beginning and 53.0MB in the end (delta: -22.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Witness Printer took 124.86ms. Allocated memory is still 167.8MB. Free memory was 53.0MB in the beginning and 48.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1857]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: 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: 237.9s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 33.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 404 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 245 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 159 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 200.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 5 QuantifiedInterpolants, 339 SizeOfPredicates, 2 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:58:55,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090626f5-2145-4c7e-8cd1-204a36c73404/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE