./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_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_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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_8600e97d-aab5-4514-a580-d21b10582042/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 fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:17:07,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:17:07,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:17:07,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:17:07,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:17:07,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:17:07,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:17:07,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:17:07,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:17:07,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:17:07,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:17:07,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:17:07,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:17:07,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:17:07,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:17:07,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:17:07,316 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:17:07,317 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:07,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:07,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:07,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:07,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:17:07,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:17:07,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:17:07,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:17:07,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:17:07,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:17:07,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:17:07,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:17:07,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:17:07,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:17:07,320 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_8600e97d-aab5-4514-a580-d21b10582042/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 -> fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 [2024-11-24 01:17:07,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:17:07,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:17:07,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:17:07,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:17:07,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:17:07,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-11-24 01:17:11,086 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/e6b8e32b2/2ce330607d7b4f09b6b20bd44ebd0e45/FLAG10670fe0f [2024-11-24 01:17:11,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:17:11,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-11-24 01:17:11,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/e6b8e32b2/2ce330607d7b4f09b6b20bd44ebd0e45/FLAG10670fe0f [2024-11-24 01:17:11,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/e6b8e32b2/2ce330607d7b4f09b6b20bd44ebd0e45 [2024-11-24 01:17:11,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:17:11,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:17:11,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:11,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:17:11,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:17:11,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:11" (1/1) ... [2024-11-24 01:17:11,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68afbd21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:11, skipping insertion in model container [2024-11-24 01:17:11,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:11" (1/1) ... [2024-11-24 01:17:11,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:17:13,956 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 01:17:13,965 INFO L158 Benchmark]: Toolchain (without parser) took 2100.75ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 100.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:17:13,966 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:17:13,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2096.10ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 100.7MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:17:13,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2096.10ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 100.7MB in the end (delta: 23.7MB). 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_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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_8600e97d-aab5-4514-a580-d21b10582042/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 fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:17:16,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:17:17,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-24 01:17:17,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:17:17,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:17:17,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-24 01:17:17,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:17:17,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:17:17,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:17:17,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:17:17,094 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:17:17,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:17:17,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:17:17,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:17:17,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:17:17,095 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:17:17,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:17:17,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:17:17,097 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:17:17,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:17:17,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:17:17,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:17:17,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:17:17,098 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:17:17,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:17,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:17,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:17,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:17,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:17:17,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:17:17,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:17:17,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:17:17,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:17:17,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:17:17,101 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_8600e97d-aab5-4514-a580-d21b10582042/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 -> fc4d73871eb5208bd15f9b08e1080d41f112941a7e9251a99f32d85d44140461 [2024-11-24 01:17:17,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:17:17,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:17:17,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:17:17,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:17:17,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:17:17,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-11-24 01:17:20,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/0ae9725f0/a29ee85b017d412da54806aebf256fed/FLAG9a88a7ab1 [2024-11-24 01:17:21,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:17:21,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_08_good.i [2024-11-24 01:17:21,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/0ae9725f0/a29ee85b017d412da54806aebf256fed/FLAG9a88a7ab1 [2024-11-24 01:17:21,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/data/0ae9725f0/a29ee85b017d412da54806aebf256fed [2024-11-24 01:17:21,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:17:21,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:17:21,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:21,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:17:21,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:17:21,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:21" (1/1) ... [2024-11-24 01:17:21,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a13fdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:21, skipping insertion in model container [2024-11-24 01:17:21,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:21" (1/1) ... [2024-11-24 01:17:21,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:17:23,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:23,838 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:17:24,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:24,329 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:17:24,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24 WrapperNode [2024-11-24 01:17:24,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:24,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:24,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:17:24,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:17:24,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,418 INFO L138 Inliner]: procedures = 946, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2024-11-24 01:17:24,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:24,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:17:24,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:17:24,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:17:24,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,446 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 01:17:24,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:17:24,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:17:24,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:17:24,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:17:24,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (1/1) ... [2024-11-24 01:17:24,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:24,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:24,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:17:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:17:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 01:17:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 01:17:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:17:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:17:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:17:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-24 01:17:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-24 01:17:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:17:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:17:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-11-24 01:17:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-11-24 01:17:24,762 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:17:24,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:17:32,519 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-24 01:17:32,520 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:17:32,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:17:32,538 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:17:32,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:32 BoogieIcfgContainer [2024-11-24 01:17:32,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:17:32,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:17:32,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:17:32,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:17:32,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:17:21" (1/3) ... [2024-11-24 01:17:32,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2ca4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:17:32, skipping insertion in model container [2024-11-24 01:17:32,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:24" (2/3) ... [2024-11-24 01:17:32,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2ca4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:17:32, skipping insertion in model container [2024-11-24 01:17:32,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:32" (3/3) ... [2024-11-24 01:17:32,579 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_08_good.i [2024-11-24 01:17:32,598 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:17:32,600 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_square_08_good.i that has 5 procedures, 79 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-11-24 01:17:32,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:17:32,690 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;@42b06ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:17:32,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-24 01:17:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 46 states have (on average 1.5) internal successors, (69), 60 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 01:17:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 01:17:32,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:32,700 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:32,700 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)] === [2024-11-24 01:17:32,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:32,706 INFO L85 PathProgramCache]: Analyzing trace with hash -63054265, now seen corresponding path program 1 times [2024-11-24 01:17:32,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:17:32,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328470816] [2024-11-24 01:17:32,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:32,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:32,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:32,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:32,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:17:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:32,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:17:32,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:17:33,015 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:33,016 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:17:33,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328470816] [2024-11-24 01:17:33,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328470816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:33,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:17:33,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:17:33,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657093053] [2024-11-24 01:17:33,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:33,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:17:33,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:17:33,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:17:33,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:17:33,061 INFO L87 Difference]: Start difference. First operand has 79 states, 46 states have (on average 1.5) internal successors, (69), 60 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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) [2024-11-24 01:17:37,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:17:41,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:17:45,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:17:46,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:46,233 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2024-11-24 01:17:46,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:17:46,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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 20 [2024-11-24 01:17:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:17:46,246 INFO L225 Difference]: With dead ends: 147 [2024-11-24 01:17:46,247 INFO L226 Difference]: Without dead ends: 70 [2024-11-24 01:17:46,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:17:46,258 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 7 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:17:46,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 269 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-24 01:17:46,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-24 01:17:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-24 01:17:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 01:17:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2024-11-24 01:17:46,327 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 20 [2024-11-24 01:17:46,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:17:46,330 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2024-11-24 01:17:46,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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) [2024-11-24 01:17:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2024-11-24 01:17:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 01:17:46,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:46,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:46,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:17:46,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:46,536 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)] === [2024-11-24 01:17:46,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:46,537 INFO L85 PathProgramCache]: Analyzing trace with hash -465604247, now seen corresponding path program 1 times [2024-11-24 01:17:46,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:17:46,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436218317] [2024-11-24 01:17:46,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:46,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:17:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:17:46,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:17:46,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:17:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:46,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:17:46,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:17:46,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:46,847 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:17:46,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436218317] [2024-11-24 01:17:46,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436218317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:46,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:17:46,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:17:46,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761712264] [2024-11-24 01:17:46,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:46,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:17:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:17:46,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:17:46,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:17:46,854 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:17:49,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:17:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:49,177 INFO L93 Difference]: Finished difference Result 133 states and 174 transitions. [2024-11-24 01:17:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:17:49,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-24 01:17:49,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:17:49,180 INFO L225 Difference]: With dead ends: 133 [2024-11-24 01:17:49,180 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 01:17:49,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:17:49,182 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 3 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:17:49,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 257 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-24 01:17:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 01:17:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-24 01:17:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 56 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:17:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 98 transitions. [2024-11-24 01:17:49,200 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 98 transitions. Word has length 22 [2024-11-24 01:17:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:17:49,200 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 98 transitions. [2024-11-24 01:17:49,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:17:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2024-11-24 01:17:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 01:17:49,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:49,202 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:49,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:17:49,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:17:49,407 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)] === [2024-11-24 01:17:49,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:49,407 INFO L85 PathProgramCache]: Analyzing trace with hash -858631257, now seen corresponding path program 1 times [2024-11-24 01:17:49,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:17:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793930736] [2024-11-24 01:17:49,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:49,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:17:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:17:49,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:17:49,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:17:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:49,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:17:49,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:17:49,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:49,639 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:17:49,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793930736] [2024-11-24 01:17:49,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793930736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:49,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:17:49,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:17:49,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022167242] [2024-11-24 01:17:49,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:49,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:17:49,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:17:49,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:17:49,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:17:49,641 INFO L87 Difference]: Start difference. First operand 74 states and 98 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:17:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:49,672 INFO L93 Difference]: Finished difference Result 126 states and 165 transitions. [2024-11-24 01:17:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:17:49,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-24 01:17:49,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:17:49,675 INFO L225 Difference]: With dead ends: 126 [2024-11-24 01:17:49,675 INFO L226 Difference]: Without dead ends: 63 [2024-11-24 01:17:49,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:17:49,677 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:17:49,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:17:49,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-24 01:17:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-24 01:17:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 46 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:17:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2024-11-24 01:17:49,690 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 22 [2024-11-24 01:17:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:17:49,691 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2024-11-24 01:17:49,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:17:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2024-11-24 01:17:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-24 01:17:49,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:49,693 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:49,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:17:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:17:49,898 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)] === [2024-11-24 01:17:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 173372668, now seen corresponding path program 1 times [2024-11-24 01:17:49,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:17:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787609004] [2024-11-24 01:17:49,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:49,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:49,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:49,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:49,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:17:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:50,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:17:50,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 01:17:50,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:50,111 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:17:50,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787609004] [2024-11-24 01:17:50,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787609004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:50,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:17:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:17:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222421066] [2024-11-24 01:17:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:50,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:17:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:17:50,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:17:50,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:17:50,113 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-24 01:17:54,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:17:58,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:02,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:03,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:03,288 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2024-11-24 01:18:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:03,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 36 [2024-11-24 01:18:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:03,293 INFO L225 Difference]: With dead ends: 106 [2024-11-24 01:18:03,294 INFO L226 Difference]: Without dead ends: 63 [2024-11-24 01:18:03,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:03,297 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 7 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:03,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 201 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-24 01:18:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-24 01:18:03,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2024-11-24 01:18:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:18:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2024-11-24 01:18:03,320 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 36 [2024-11-24 01:18:03,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:03,321 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2024-11-24 01:18:03,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-24 01:18:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2024-11-24 01:18:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-24 01:18:03,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:03,323 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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] [2024-11-24 01:18:03,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:18:03,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:03,524 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:03,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:03,525 INFO L85 PathProgramCache]: Analyzing trace with hash -892587266, now seen corresponding path program 1 times [2024-11-24 01:18:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:03,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754711306] [2024-11-24 01:18:03,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:03,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:03,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:03,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:03,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:03,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:03,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:18:03,725 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:03,725 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:03,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754711306] [2024-11-24 01:18:03,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754711306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:03,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:03,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:03,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068769918] [2024-11-24 01:18:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:03,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:03,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:03,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:03,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:03,728 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:03,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:03,772 INFO L93 Difference]: Finished difference Result 111 states and 141 transitions. [2024-11-24 01:18:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:03,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2024-11-24 01:18:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:03,774 INFO L225 Difference]: With dead ends: 111 [2024-11-24 01:18:03,774 INFO L226 Difference]: Without dead ends: 61 [2024-11-24 01:18:03,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:03,779 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:03,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:03,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-24 01:18:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-24 01:18:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 44 states have internal predecessors, (49), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:18:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2024-11-24 01:18:03,803 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 38 [2024-11-24 01:18:03,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:03,804 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-11-24 01:18:03,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-11-24 01:18:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 01:18:03,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:03,806 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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] [2024-11-24 01:18:03,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:04,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:04,006 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:04,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:04,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1652319292, now seen corresponding path program 1 times [2024-11-24 01:18:04,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:04,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141617322] [2024-11-24 01:18:04,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:04,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:04,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:04,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:04,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:04,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:04,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 01:18:04,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:04,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:04,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141617322] [2024-11-24 01:18:04,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141617322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:04,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:04,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892657625] [2024-11-24 01:18:04,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:04,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:04,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:04,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:04,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:04,251 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:05,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:05,556 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2024-11-24 01:18:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-24 01:18:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:05,564 INFO L225 Difference]: With dead ends: 108 [2024-11-24 01:18:05,564 INFO L226 Difference]: Without dead ends: 68 [2024-11-24 01:18:05,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:05,565 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:05,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 214 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:18:05,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-24 01:18:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-11-24 01:18:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 48 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:18:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-11-24 01:18:05,578 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 41 [2024-11-24 01:18:05,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:05,578 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-11-24 01:18:05,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-11-24 01:18:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 01:18:05,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:05,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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] [2024-11-24 01:18:05,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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)] Ended with exit code 0 [2024-11-24 01:18:05,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:05,785 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:05,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:05,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1259292282, now seen corresponding path program 1 times [2024-11-24 01:18:05,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:05,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845636135] [2024-11-24 01:18:05,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:05,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:05,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:05,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:05,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:05,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 01:18:05,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:05,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:05,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845636135] [2024-11-24 01:18:05,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845636135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:05,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:05,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:05,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710732725] [2024-11-24 01:18:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:05,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:05,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:05,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:05,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:05,989 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:06,013 INFO L93 Difference]: Finished difference Result 101 states and 125 transitions. [2024-11-24 01:18:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:06,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-24 01:18:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:06,016 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:18:06,017 INFO L226 Difference]: Without dead ends: 55 [2024-11-24 01:18:06,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:06,022 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:06,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:06,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-24 01:18:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-24 01:18:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 39 states have internal predecessors, (42), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:18:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-24 01:18:06,039 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 41 [2024-11-24 01:18:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:06,039 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-24 01:18:06,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 01:18:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-24 01:18:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-24 01:18:06,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:06,041 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 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] [2024-11-24 01:18:06,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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)] Ended with exit code 0 [2024-11-24 01:18:06,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:06,246 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)] === [2024-11-24 01:18:06,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 450117432, now seen corresponding path program 1 times [2024-11-24 01:18:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:06,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647711526] [2024-11-24 01:18:06,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:06,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:06,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:06,249 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:06,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:06,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:06,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 01:18:06,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:06,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:06,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647711526] [2024-11-24 01:18:06,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647711526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:06,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:06,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:06,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048343675] [2024-11-24 01:18:06,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:06,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:06,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:06,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:06,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:06,426 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 01:18:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:06,445 INFO L93 Difference]: Finished difference Result 89 states and 107 transitions. [2024-11-24 01:18:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 49 [2024-11-24 01:18:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:06,447 INFO L225 Difference]: With dead ends: 89 [2024-11-24 01:18:06,447 INFO L226 Difference]: Without dead ends: 55 [2024-11-24 01:18:06,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:06,448 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:06,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-24 01:18:06,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-24 01:18:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 38 states have internal predecessors, (41), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:18:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2024-11-24 01:18:06,456 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 49 [2024-11-24 01:18:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:06,456 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2024-11-24 01:18:06,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 01:18:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2024-11-24 01:18:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-24 01:18:06,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:06,458 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 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, 1, 1] [2024-11-24 01:18:06,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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)] Ended with exit code 0 [2024-11-24 01:18:06,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:06,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:06,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:06,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1227440212, now seen corresponding path program 1 times [2024-11-24 01:18:06,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:06,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462717431] [2024-11-24 01:18:06,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:06,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:06,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:06,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:06,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:18:06,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 01:18:06,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:06,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:06,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462717431] [2024-11-24 01:18:06,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462717431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:06,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:06,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:18:06,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24848677] [2024-11-24 01:18:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:06,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:06,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:06,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:06,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:06,873 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 01:18:08,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:08,412 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions. [2024-11-24 01:18:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 57 [2024-11-24 01:18:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:08,421 INFO L225 Difference]: With dead ends: 62 [2024-11-24 01:18:08,421 INFO L226 Difference]: Without dead ends: 60 [2024-11-24 01:18:08,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:08,422 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 2 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:08,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 125 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:18:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-24 01:18:08,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2024-11-24 01:18:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 40 states have internal predecessors, (45), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:18:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-24 01:18:08,433 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 57 [2024-11-24 01:18:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:08,433 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-24 01:18:08,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 01:18:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-24 01:18:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:18:08,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:08,436 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1] [2024-11-24 01:18:08,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 [2024-11-24 01:18:08,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:08,637 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:08,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:08,637 INFO L85 PathProgramCache]: Analyzing trace with hash 511639292, now seen corresponding path program 1 times [2024-11-24 01:18:08,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:08,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612754359] [2024-11-24 01:18:08,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:08,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:08,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:08,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (11)] Waiting until timeout for monitored process [2024-11-24 01:18:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:08,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:08,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-24 01:18:08,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:08,852 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612754359] [2024-11-24 01:18:08,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612754359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:08,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:08,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995002460] [2024-11-24 01:18:08,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:08,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:08,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:08,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:08,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:08,858 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 01:18:08,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:08,877 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2024-11-24 01:18:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:08,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 62 [2024-11-24 01:18:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:08,879 INFO L225 Difference]: With dead ends: 80 [2024-11-24 01:18:08,879 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:18:08,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:08,880 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:08,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:08,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:18:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:18:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:18:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2024-11-24 01:18:08,888 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 62 [2024-11-24 01:18:08,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:08,888 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2024-11-24 01:18:08,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 01:18:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2024-11-24 01:18:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-24 01:18:08,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:08,890 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:08,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (11)] Forceful destruction successful, exit code 0 [2024-11-24 01:18:09,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:09,091 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:09,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash -259457018, now seen corresponding path program 1 times [2024-11-24 01:18:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:09,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412058578] [2024-11-24 01:18:09,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:09,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:09,094 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:09,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (12)] Waiting until timeout for monitored process [2024-11-24 01:18:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:09,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:09,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:18:09,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:09,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:09,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412058578] [2024-11-24 01:18:09,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412058578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:09,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:09,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:09,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151703352] [2024-11-24 01:18:09,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:09,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:09,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:09,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:09,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:09,298 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:18:09,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:09,317 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-11-24 01:18:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:09,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2024-11-24 01:18:09,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:09,319 INFO L225 Difference]: With dead ends: 64 [2024-11-24 01:18:09,319 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:18:09,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:09,320 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:09,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:09,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:18:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:18:09,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.088235294117647) internal successors, (37), 35 states have internal predecessors, (37), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:18:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2024-11-24 01:18:09,327 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 68 [2024-11-24 01:18:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:09,328 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2024-11-24 01:18:09,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:18:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2024-11-24 01:18:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:18:09,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:09,330 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:09,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (12)] Ended with exit code 0 [2024-11-24 01:18:09,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:09,531 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:09,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 852101268, now seen corresponding path program 1 times [2024-11-24 01:18:09,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:09,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138202106] [2024-11-24 01:18:09,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:09,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:09,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:09,534 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:09,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (13)] Waiting until timeout for monitored process [2024-11-24 01:18:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:09,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:18:09,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-24 01:18:09,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:09,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:09,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138202106] [2024-11-24 01:18:09,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138202106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:09,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:09,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:18:09,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468166657] [2024-11-24 01:18:09,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:09,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:09,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:09,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:09,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:09,746 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:18:12,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:12,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:12,434 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-24 01:18:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2024-11-24 01:18:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:12,440 INFO L225 Difference]: With dead ends: 58 [2024-11-24 01:18:12,440 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:18:12,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:12,442 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:12,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 01:18:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:18:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:18:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 35 states have internal predecessors, (36), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:18:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-24 01:18:12,450 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 75 [2024-11-24 01:18:12,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:12,451 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-24 01:18:12,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:18:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-24 01:18:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:18:12,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:12,452 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:12,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (13)] Ended with exit code 0 [2024-11-24 01:18:12,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:12,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-24 01:18:12,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1667858666, now seen corresponding path program 1 times [2024-11-24 01:18:12,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:12,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588030421] [2024-11-24 01:18:12,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:12,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:12,666 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:12,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (14)] Waiting until timeout for monitored process [2024-11-24 01:18:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:12,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:12,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-24 01:18:12,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:12,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:12,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588030421] [2024-11-24 01:18:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588030421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:12,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004895524] [2024-11-24 01:18:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:12,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:12,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:12,897 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:18:12,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:12,908 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2024-11-24 01:18:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:12,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2024-11-24 01:18:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:12,909 INFO L225 Difference]: With dead ends: 55 [2024-11-24 01:18:12,909 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:18:12,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:12,912 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:12,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:18:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:18:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:18:12,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2024-11-24 01:18:12,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:12,914 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:18:12,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:18:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:18:12,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:18:12,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-24 01:18:12,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-24 01:18:12,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-24 01:18:12,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-24 01:18:12,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-24 01:18:12,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-24 01:18:12,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-24 01:18:12,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-24 01:18:12,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-24 01:18:12,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-24 01:18:12,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/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 (14)] Ended with exit code 0 [2024-11-24 01:18:13,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:13,129 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:13,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:18:13,227 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:18:13,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:18:13 BoogieIcfgContainer [2024-11-24 01:18:13,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:18:13,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:18:13,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:18:13,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:18:13,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:32" (3/4) ... [2024-11-24 01:18:13,241 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:18:13,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 01:18:13,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-11-24 01:18:13,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 01:18:13,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-11-24 01:18:13,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-24 01:18:13,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 01:18:13,258 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:18:13,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:18:13,380 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:18:13,380 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:18:13,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:18:13,381 INFO L158 Benchmark]: Toolchain (without parser) took 51684.64ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.7MB in the beginning and 44.2MB in the end (delta: 11.5MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2024-11-24 01:18:13,382 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:13,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2631.58ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 51.5MB in the end (delta: 3.9MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-24 01:18:13,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.37ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 47.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:13,384 INFO L158 Benchmark]: Boogie Preprocessor took 66.11ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 45.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:13,384 INFO L158 Benchmark]: RCFGBuilder took 8048.90ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 28.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:18:13,385 INFO L158 Benchmark]: TraceAbstraction took 40694.38ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.1MB in the beginning and 49.2MB in the end (delta: -22.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-24 01:18:13,385 INFO L158 Benchmark]: Witness Printer took 143.85ms. Allocated memory is still 167.8MB. Free memory was 49.2MB in the beginning and 44.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:18:13,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2631.58ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 51.5MB in the end (delta: 3.9MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.37ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 47.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.11ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 45.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 8048.90ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 28.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40694.38ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.1MB in the beginning and 49.2MB in the end (delta: -22.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 143.85ms. Allocated memory is still 167.8MB. Free memory was 49.2MB in the beginning and 44.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1875]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1877]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1877]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1917]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1917]: 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 5 procedures, 79 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 40.5s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 2540 SdHoareTripleChecker+Invalid, 33.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1616 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 924 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 8 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 606 NumberOfCodeBlocks, 606 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 593 ConstructedInterpolants, 0 QuantifiedInterpolants, 693 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1286 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 335/335 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! [2024-11-24 01:18:13,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8600e97d-aab5-4514-a580-d21b10582042/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE