./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 b59dbf9914a4c35586762aee2b7942fbe830517bde47297d8a392e2082d52dcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:27:51,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:27:51,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 18:27:51,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:27:51,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:27:51,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:27:51,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:27:51,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:27:51,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:27:51,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:27:51,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:27:51,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:27:51,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:27:51,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:27:51,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:27:51,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:27:51,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:27:51,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:27:51,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:27:51,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:27:51,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:27:51,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:27:51,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:27:51,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:27:51,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:27:51,265 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:27:51,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:27:51,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:27:51,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:27:51,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:51,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:51,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:27:51,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:27:51,267 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:27:51,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:27:51,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:27:51,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:27:51,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:27:51,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:27:51,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:27:51,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:27:51,269 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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 -> b59dbf9914a4c35586762aee2b7942fbe830517bde47297d8a392e2082d52dcb [2024-11-23 18:27:51,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:27:51,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:27:51,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:27:51,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:27:51,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:27:51,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i [2024-11-23 18:27:55,449 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/ba62254d6/cdf31c0e620b4c738e3463211b669926/FLAG7c28315ce [2024-11-23 18:27:56,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:27:56,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i [2024-11-23 18:27:56,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/ba62254d6/cdf31c0e620b4c738e3463211b669926/FLAG7c28315ce [2024-11-23 18:27:56,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/ba62254d6/cdf31c0e620b4c738e3463211b669926 [2024-11-23 18:27:56,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:27:56,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:27:56,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:27:56,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:27:56,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:27:56,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:56" (1/1) ... [2024-11-23 18:27:56,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa5b778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:56, skipping insertion in model container [2024-11-23 18:27:56,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:56" (1/1) ... [2024-11-23 18:27:56,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:27:58,412 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.visit(CHandler.java:1783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 18:27:58,421 INFO L158 Benchmark]: Toolchain (without parser) took 2260.83ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 64.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:27:58,422 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:27:58,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2257.54ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 64.0MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:27:58,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2257.54ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 64.0MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 b59dbf9914a4c35586762aee2b7942fbe830517bde47297d8a392e2082d52dcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:28:01,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:28:01,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 18:28:01,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:28:01,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:28:01,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 18:28:02,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:28:02,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:28:02,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:28:02,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:28:02,007 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:28:02,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:28:02,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:28:02,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:28:02,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:28:02,010 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:28:02,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:28:02,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:28:02,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:28:02,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:28:02,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:28:02,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:28:02,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:28:02,014 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:28:02,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:28:02,015 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:28:02,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:02,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:02,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:02,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:28:02,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:28:02,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:28:02,017 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_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 -> b59dbf9914a4c35586762aee2b7942fbe830517bde47297d8a392e2082d52dcb [2024-11-23 18:28:02,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:28:02,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:28:02,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:28:02,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:28:02,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:28:02,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i [2024-11-23 18:28:06,202 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/215b70152/6e4868bfe3fd4be1a2f6922272ad4cd1/FLAGadbf2d62f [2024-11-23 18:28:06,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:28:06,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_10_good.i [2024-11-23 18:28:06,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/215b70152/6e4868bfe3fd4be1a2f6922272ad4cd1/FLAGadbf2d62f [2024-11-23 18:28:06,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/data/215b70152/6e4868bfe3fd4be1a2f6922272ad4cd1 [2024-11-23 18:28:06,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:28:06,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:28:06,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:06,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:28:06,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:28:06,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:06" (1/1) ... [2024-11-23 18:28:06,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d259583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:06, skipping insertion in model container [2024-11-23 18:28:06,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:06" (1/1) ... [2024-11-23 18:28:07,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:28:09,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:09,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:28:09,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:10,145 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:28:10,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10 WrapperNode [2024-11-23 18:28:10,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:10,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:10,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:28:10,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:28:10,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,253 INFO L138 Inliner]: procedures = 944, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2024-11-23 18:28:10,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:10,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:28:10,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:28:10,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:28:10,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,291 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 18:28:10,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,304 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:28:10,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:28:10,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:28:10,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:28:10,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (1/1) ... [2024-11-23 18:28:10,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:10,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:10,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:28:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:28:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 18:28:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 18:28:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:28:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:28:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:28:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 18:28:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 18:28:10,624 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:28:10,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:28:22,268 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-23 18:28:22,268 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:28:22,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:28:22,283 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:28:22,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:22 BoogieIcfgContainer [2024-11-23 18:28:22,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:28:22,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:28:22,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:28:22,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:28:22,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:28:06" (1/3) ... [2024-11-23 18:28:22,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc833b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:22, skipping insertion in model container [2024-11-23 18:28:22,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:10" (2/3) ... [2024-11-23 18:28:22,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc833b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:22, skipping insertion in model container [2024-11-23 18:28:22,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:22" (3/3) ... [2024-11-23 18:28:22,298 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_10_good.i [2024-11-23 18:28:22,319 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:28:22,322 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_square_10_good.i that has 3 procedures, 65 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-11-23 18:28:22,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:28:22,434 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;@74d26fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:28:22,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 18:28:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 18:28:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 18:28:22,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:22,452 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:22,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:22,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash -675255140, now seen corresponding path program 1 times [2024-11-23 18:28:22,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:22,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372136143] [2024-11-23 18:28:22,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:22,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:22,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:22,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:22,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:28:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:22,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:28:22,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:28:22,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:22,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:22,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372136143] [2024-11-23 18:28:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372136143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:22,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:22,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:28:22,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20004297] [2024-11-23 18:28:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:22,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:28:22,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:22,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:28:22,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:28:22,861 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:26,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:28:30,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:28:34,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:28:36,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:28:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:37,201 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2024-11-23 18:28:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:28:37,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-23 18:28:37,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:37,217 INFO L225 Difference]: With dead ends: 121 [2024-11-23 18:28:37,218 INFO L226 Difference]: Without dead ends: 56 [2024-11-23 18:28:37,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:37,230 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 7 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:37,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 213 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2024-11-23 18:28:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-23 18:28:37,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-23 18:28:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 48 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 18:28:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2024-11-23 18:28:37,283 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 12 [2024-11-23 18:28:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:37,285 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2024-11-23 18:28:37,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2024-11-23 18:28:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 18:28:37,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:37,287 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:37,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:28:37,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:37,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:37,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash -380125698, now seen corresponding path program 1 times [2024-11-23 18:28:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:37,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062799168] [2024-11-23 18:28:37,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:37,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:37,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:37,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:37,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (3)] Waiting until timeout for monitored process [2024-11-23 18:28:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:37,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:28:37,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:28:37,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:37,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:37,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062799168] [2024-11-23 18:28:37,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062799168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:37,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:37,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:28:37,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731678351] [2024-11-23 18:28:37,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:37,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:28:37,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:37,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:28:37,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:28:37,793 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:39,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:28:40,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:40,487 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2024-11-23 18:28:40,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:28:40,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-23 18:28:40,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:40,490 INFO L225 Difference]: With dead ends: 106 [2024-11-23 18:28:40,490 INFO L226 Difference]: Without dead ends: 62 [2024-11-23 18:28:40,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:40,492 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 3 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:40,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 197 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-23 18:28:40,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-23 18:28:40,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2024-11-23 18:28:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.5) internal successors, (60), 52 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 18:28:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-11-23 18:28:40,510 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 14 [2024-11-23 18:28:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:40,511 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-11-23 18:28:40,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-11-23 18:28:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 18:28:40,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:40,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:40,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (3)] Ended with exit code 0 [2024-11-23 18:28:40,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:40,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:40,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash -322867396, now seen corresponding path program 1 times [2024-11-23 18:28:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955297237] [2024-11-23 18:28:40,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:40,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:40,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:40,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:28:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:40,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:28:40,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:28:40,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:40,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955297237] [2024-11-23 18:28:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955297237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:40,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386801641] [2024-11-23 18:28:40,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:40,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:28:40,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:40,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:28:40,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:40,935 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:40,977 INFO L93 Difference]: Finished difference Result 99 states and 127 transitions. [2024-11-23 18:28:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:40,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-23 18:28:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:40,979 INFO L225 Difference]: With dead ends: 99 [2024-11-23 18:28:40,980 INFO L226 Difference]: Without dead ends: 49 [2024-11-23 18:28:40,980 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 [2024-11-23 18:28:40,982 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:40,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 52 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-23 18:28:40,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-23 18:28:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 42 states have internal predecessors, (44), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-23 18:28:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2024-11-23 18:28:41,007 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 14 [2024-11-23 18:28:41,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:41,008 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2024-11-23 18:28:41,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 18:28:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2024-11-23 18:28:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 18:28:41,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:41,011 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:41,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 [2024-11-23 18:28:41,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:41,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:41,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:41,213 INFO L85 PathProgramCache]: Analyzing trace with hash 348345484, now seen corresponding path program 1 times [2024-11-23 18:28:41,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:41,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927198983] [2024-11-23 18:28:41,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:41,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:41,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:41,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:41,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:28:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:41,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:28:41,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:28:41,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:41,386 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:41,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927198983] [2024-11-23 18:28:41,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927198983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:41,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:41,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358447517] [2024-11-23 18:28:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:41,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:28:41,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:41,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:28:41,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:41,391 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:28:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:41,416 INFO L93 Difference]: Finished difference Result 86 states and 99 transitions. [2024-11-23 18:28:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-23 18:28:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:41,419 INFO L225 Difference]: With dead ends: 86 [2024-11-23 18:28:41,419 INFO L226 Difference]: Without dead ends: 47 [2024-11-23 18:28:41,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:41,421 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:41,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 50 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-23 18:28:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-23 18:28:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 18:28:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-23 18:28:41,439 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 20 [2024-11-23 18:28:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:41,439 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-23 18:28:41,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 18:28:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-23 18:28:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-23 18:28:41,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:41,441 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:41,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:28:41,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:41,646 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:41,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:41,651 INFO L85 PathProgramCache]: Analyzing trace with hash 228802812, now seen corresponding path program 1 times [2024-11-23 18:28:41,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:41,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651064410] [2024-11-23 18:28:41,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:41,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:41,655 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:41,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 18:28:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:41,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:28:41,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:28:41,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:41,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:41,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651064410] [2024-11-23 18:28:41,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651064410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:41,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:41,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:41,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618307337] [2024-11-23 18:28:41,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:41,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:28:41,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:41,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:28:41,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:41,853 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:41,983 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-11-23 18:28:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:41,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-23 18:28:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:41,985 INFO L225 Difference]: With dead ends: 66 [2024-11-23 18:28:41,985 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 18:28:41,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:41,987 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:41,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 76 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:28:41,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 18:28:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-23 18:28:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.1875) internal successors, (38), 36 states have internal predecessors, (38), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 18:28:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2024-11-23 18:28:41,998 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 23 [2024-11-23 18:28:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:41,999 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-11-23 18:28:41,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2024-11-23 18:28:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 18:28:42,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:42,000 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:42,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 18:28:42,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:42,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:42,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:42,202 INFO L85 PathProgramCache]: Analyzing trace with hash 836298368, now seen corresponding path program 1 times [2024-11-23 18:28:42,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:42,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052331900] [2024-11-23 18:28:42,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:42,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:42,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (7)] Waiting until timeout for monitored process [2024-11-23 18:28:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:42,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:28:42,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:28:42,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:42,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:42,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052331900] [2024-11-23 18:28:42,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052331900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:42,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:42,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:28:42,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859736284] [2024-11-23 18:28:42,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:42,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:28:42,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:42,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:28:42,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:28:42,419 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:42,554 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2024-11-23 18:28:42,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:28:42,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-23 18:28:42,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:42,556 INFO L225 Difference]: With dead ends: 71 [2024-11-23 18:28:42,556 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 18:28:42,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:42,558 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:42,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:28:42,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 18:28:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-23 18:28:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.15625) internal successors, (37), 36 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 18:28:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2024-11-23 18:28:42,577 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 25 [2024-11-23 18:28:42,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:42,577 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2024-11-23 18:28:42,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2024-11-23 18:28:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-23 18:28:42,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:42,579 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:42,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:28:42,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:42,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:42,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 151570920, now seen corresponding path program 1 times [2024-11-23 18:28:42,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310196432] [2024-11-23 18:28:42,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:42,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:42,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:42,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (8)] Waiting until timeout for monitored process [2024-11-23 18:28:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:42,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:28:42,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:28:43,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:43,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:43,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310196432] [2024-11-23 18:28:43,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310196432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:43,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:43,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:28:43,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629379776] [2024-11-23 18:28:43,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:43,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:28:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:43,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:28:43,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:28:43,050 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:43,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:43,107 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2024-11-23 18:28:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:28:43,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-23 18:28:43,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:43,113 INFO L225 Difference]: With dead ends: 43 [2024-11-23 18:28:43,113 INFO L226 Difference]: Without dead ends: 40 [2024-11-23 18:28:43,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:43,114 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:43,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 109 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:43,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-23 18:28:43,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-23 18:28:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 18:28:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2024-11-23 18:28:43,131 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 26 [2024-11-23 18:28:43,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:43,131 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2024-11-23 18:28:43,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:28:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2024-11-23 18:28:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-23 18:28:43,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:43,134 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:43,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (8)] Forceful destruction successful, exit code 0 [2024-11-23 18:28:43,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:43,339 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:43,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:43,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1441933205, now seen corresponding path program 1 times [2024-11-23 18:28:43,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:43,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428786207] [2024-11-23 18:28:43,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:43,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:43,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (9)] Waiting until timeout for monitored process [2024-11-23 18:28:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:43,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:28:43,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:28:43,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:43,517 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:43,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428786207] [2024-11-23 18:28:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428786207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:43,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:43,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145015900] [2024-11-23 18:28:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:43,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:28:43,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:43,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:28:43,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:43,520 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:28:43,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:43,638 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-11-23 18:28:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:43,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-23 18:28:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:43,640 INFO L225 Difference]: With dead ends: 40 [2024-11-23 18:28:43,640 INFO L226 Difference]: Without dead ends: 38 [2024-11-23 18:28:43,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:43,641 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:43,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 72 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:28:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-23 18:28:43,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-23 18:28:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 18:28:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2024-11-23 18:28:43,651 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 33 [2024-11-23 18:28:43,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:43,651 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2024-11-23 18:28:43,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:28:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-11-23 18:28:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 18:28:43,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:43,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:43,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (9)] Forceful destruction successful, exit code 0 [2024-11-23 18:28:43,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:43,858 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:28:43,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:43,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1991247470, now seen corresponding path program 1 times [2024-11-23 18:28:43,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:43,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292716342] [2024-11-23 18:28:43,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:43,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:43,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:43,861 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:28:43,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (10)] Waiting until timeout for monitored process [2024-11-23 18:28:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:44,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:28:44,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:28:44,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:44,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:44,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292716342] [2024-11-23 18:28:44,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292716342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:44,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:44,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:44,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109884663] [2024-11-23 18:28:44,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:44,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:28:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:44,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:28:44,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:44,080 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 18:28:44,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:44,135 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-11-23 18:28:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:44,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2024-11-23 18:28:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:44,142 INFO L225 Difference]: With dead ends: 38 [2024-11-23 18:28:44,142 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:28:44,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:28:44,144 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:44,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:28:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:28:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:28:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:28:44,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-23 18:28:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:44,150 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:28:44,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 18:28:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:28:44,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:28:44,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-23 18:28:44,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-23 18:28:44,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-23 18:28:44,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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 (10)] Ended with exit code 0 [2024-11-23 18:28:44,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:28:44,360 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:44,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:28:44,523 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:28:44,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:28:44 BoogieIcfgContainer [2024-11-23 18:28:44,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:28:44,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:28:44,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:28:44,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:28:44,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:22" (3/4) ... [2024-11-23 18:28:44,534 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:28:44,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 18:28:44,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 18:28:44,544 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 18:28:44,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 18:28:44,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:28:44,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:28:44,675 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:28:44,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:28:44,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:28:44,677 INFO L158 Benchmark]: Toolchain (without parser) took 37709.90ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 87.9MB in the beginning and 89.2MB in the end (delta: -1.3MB). Peak memory consumption was 155.5MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,677 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:28:44,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3177.81ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 41.2MB in the end (delta: 46.5MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.93ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 41.2MB in the beginning and 230.5MB in the end (delta: -189.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,678 INFO L158 Benchmark]: Boogie Preprocessor took 62.43ms. Allocated memory is still 268.4MB. Free memory was 230.5MB in the beginning and 227.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:28:44,679 INFO L158 Benchmark]: RCFGBuilder took 11965.44ms. Allocated memory is still 268.4MB. Free memory was 227.9MB in the beginning and 209.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,679 INFO L158 Benchmark]: TraceAbstraction took 22243.73ms. Allocated memory is still 268.4MB. Free memory was 209.2MB in the beginning and 94.4MB in the end (delta: 114.8MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,680 INFO L158 Benchmark]: Witness Printer took 144.73ms. Allocated memory is still 268.4MB. Free memory was 94.4MB in the beginning and 89.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:28:44,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3177.81ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 41.2MB in the end (delta: 46.5MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.93ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 41.2MB in the beginning and 230.5MB in the end (delta: -189.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.43ms. Allocated memory is still 268.4MB. Free memory was 230.5MB in the beginning and 227.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11965.44ms. Allocated memory is still 268.4MB. Free memory was 227.9MB in the beginning and 209.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 22243.73ms. Allocated memory is still 268.4MB. Free memory was 209.2MB in the beginning and 94.4MB in the end (delta: 114.8MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Witness Printer took 144.73ms. Allocated memory is still 268.4MB. Free memory was 94.4MB in the beginning and 89.2MB in the end (delta: 5.2MB). 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: 1846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: 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, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 22.0s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 17.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 950 SdHoareTripleChecker+Invalid, 17.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 445 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 5 NumberOfNonLiveVariables, 574 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 40/40 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:28:44,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4a4fc0-78b6-4581-8c05-a331b3e6b861/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