./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB --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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:40:04,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:40:04,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 04:40:04,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:40:04,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:40:04,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:40:04,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:40:04,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:40:04,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:40:04,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:40:04,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:40:04,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:40:04,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:40:04,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:40:04,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:40:04,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:40:04,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:40:04,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:40:04,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:40:04,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:40:04,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:40:04,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:40:04,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:40:04,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:40:04,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:40:04,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:40:04,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:40:04,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:40:04,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:40:04,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:40:04,320 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_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2024-11-28 04:40:04,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:40:04,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:40:04,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:40:04,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:40:04,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:40:04,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2024-11-28 04:40:07,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/2ef8ad3a5/14c51caba05c48a283c6b1b05b536e16/FLAGe51987857 [2024-11-28 04:40:08,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:40:08,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2024-11-28 04:40:08,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/2ef8ad3a5/14c51caba05c48a283c6b1b05b536e16/FLAGe51987857 [2024-11-28 04:40:08,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/2ef8ad3a5/14c51caba05c48a283c6b1b05b536e16 [2024-11-28 04:40:08,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:40:08,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:40:08,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:40:08,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:40:08,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:40:08,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:08" (1/1) ... [2024-11-28 04:40:08,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426baa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:08, skipping insertion in model container [2024-11-28 04:40:08,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:08" (1/1) ... [2024-11-28 04:40:08,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:40:10,493 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.visit(CHandler.java:1974) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:206) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-28 04:40:10,502 INFO L158 Benchmark]: Toolchain (without parser) took 2162.41ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 63.7MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:40:10,503 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:40:10,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2158.04ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 63.7MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:40:10,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2158.04ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 63.7MB in the end (delta: 23.9MB). 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_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB --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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:40:13,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:40:13,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-28 04:40:13,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:40:13,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:40:13,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-28 04:40:13,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:40:13,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:40:13,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:40:13,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:40:13,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:40:13,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:40:13,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:40:13,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:40:13,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:40:13,583 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:40:13,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:40:13,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:40:13,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:40:13,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:40:13,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:40:13,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:40:13,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:40:13,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:40:13,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:40:13,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:40:13,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:40:13,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:40:13,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:40:13,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:40:13,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:40:13,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:40:13,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:40:13,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:40:13,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:40:13,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:40:13,589 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:40:13,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:40:13,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:40:13,591 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_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2024-11-28 04:40:13,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:40:14,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:40:14,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:40:14,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:40:14,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:40:14,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2024-11-28 04:40:17,339 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/de34a3413/284a0040498e4632b9d939166917328a/FLAG3f54afebc [2024-11-28 04:40:17,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:40:17,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2024-11-28 04:40:18,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/de34a3413/284a0040498e4632b9d939166917328a/FLAG3f54afebc [2024-11-28 04:40:18,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/data/de34a3413/284a0040498e4632b9d939166917328a [2024-11-28 04:40:18,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:40:18,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:40:18,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:40:18,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:40:18,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:40:18,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:18" (1/1) ... [2024-11-28 04:40:18,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25086454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:18, skipping insertion in model container [2024-11-28 04:40:18,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:18" (1/1) ... [2024-11-28 04:40:18,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:40:20,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:40:20,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:40:20,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:40:21,024 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:40:21,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21 WrapperNode [2024-11-28 04:40:21,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:40:21,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:40:21,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:40:21,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:40:21,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,099 INFO L138 Inliner]: procedures = 943, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2024-11-28 04:40:21,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:40:21,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:40:21,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:40:21,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:40:21,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,127 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-28 04:40:21,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:40:21,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:40:21,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:40:21,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:40:21,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (1/1) ... [2024-11-28 04:40:21,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:40:21,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:21,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:40:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:40:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-28 04:40:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-28 04:40:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:40:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:40:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:40:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 04:40:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 04:40:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:40:21,415 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:40:21,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:40:28,585 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-28 04:40:28,585 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:40:28,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:40:28,596 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:40:28,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:28 BoogieIcfgContainer [2024-11-28 04:40:28,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:40:28,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:40:28,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:40:28,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:40:28,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:40:18" (1/3) ... [2024-11-28 04:40:28,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33131e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:28, skipping insertion in model container [2024-11-28 04:40:28,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:21" (2/3) ... [2024-11-28 04:40:28,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33131e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:28, skipping insertion in model container [2024-11-28 04:40:28,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:28" (3/3) ... [2024-11-28 04:40:28,610 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_18_good.i [2024-11-28 04:40:28,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:40:28,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_18_good.i that has 3 procedures, 42 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-28 04:40:28,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:40:28,724 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;@20713674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:40:28,725 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-28 04:40:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:40:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:40:28,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:28,737 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:28,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-28 04:40:28,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:28,747 INFO L85 PathProgramCache]: Analyzing trace with hash -508625868, now seen corresponding path program 1 times [2024-11-28 04:40:28,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:40:28,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925944815] [2024-11-28 04:40:28,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:28,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:28,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:28,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:40:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:28,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:40:28,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:40:29,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:40:29,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:40:29,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925944815] [2024-11-28 04:40:29,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925944815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:29,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:29,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:29,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254580561] [2024-11-28 04:40:29,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:29,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:40:29,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:40:29,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:40:29,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:40:29,092 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:33,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:37,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:41,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:42,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:42,939 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2024-11-28 04:40:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:40:42,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-28 04:40:42,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:42,952 INFO L225 Difference]: With dead ends: 78 [2024-11-28 04:40:42,952 INFO L226 Difference]: Without dead ends: 38 [2024-11-28 04:40:42,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:40:42,959 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 9 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:42,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2024-11-28 04:40:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-28 04:40:42,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-28 04:40:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.28) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:40:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-28 04:40:43,006 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 14 [2024-11-28 04:40:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:43,006 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-28 04:40:43,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-28 04:40:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:40:43,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:43,009 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:43,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:40:43,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:43,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-28 04:40:43,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1412471375, now seen corresponding path program 1 times [2024-11-28 04:40:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:40:43,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441321893] [2024-11-28 04:40:43,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:43,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:40:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:43,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:40:43,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:40:43,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:40:43,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:40:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441321893] [2024-11-28 04:40:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441321893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:43,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:43,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:43,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917498277] [2024-11-28 04:40:43,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:43,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:43,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:40:43,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:43,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:43,416 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:43,458 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-28 04:40:43,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:43,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 04:40:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:43,460 INFO L225 Difference]: With dead ends: 51 [2024-11-28 04:40:43,461 INFO L226 Difference]: Without dead ends: 36 [2024-11-28 04:40:43,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:43,463 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:43,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:40:43,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-28 04:40:43,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-28 04:40:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:40:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-28 04:40:43,475 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 15 [2024-11-28 04:40:43,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:43,475 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-28 04:40:43,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-28 04:40:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 04:40:43,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:43,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:43,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:40:43,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:43,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-28 04:40:43,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:43,678 INFO L85 PathProgramCache]: Analyzing trace with hash 836814742, now seen corresponding path program 1 times [2024-11-28 04:40:43,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:40:43,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506298236] [2024-11-28 04:40:43,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:43,679 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 [2024-11-28 04:40:43,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:40:43,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:40:43,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:42:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:10,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:42:10,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:42:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:42:11,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:42:11,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:42:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506298236] [2024-11-28 04:42:11,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506298236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:11,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:11,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:42:11,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899571125] [2024-11-28 04:42:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:11,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:42:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:42:11,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:42:11,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:42:11,188 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:42:15,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:42:19,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:42:23,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:42:27,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:42:31,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:42:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:32,078 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-11-28 04:42:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:42:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-28 04:42:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:32,079 INFO L225 Difference]: With dead ends: 51 [2024-11-28 04:42:32,079 INFO L226 Difference]: Without dead ends: 39 [2024-11-28 04:42:32,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:42:32,081 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:32,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 104 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 20.8s Time] [2024-11-28 04:42:32,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-28 04:42:32,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2024-11-28 04:42:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 31 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:42:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-28 04:42:32,090 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 16 [2024-11-28 04:42:32,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:32,090 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-28 04:42:32,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:42:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-28 04:42:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 04:42:32,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:32,091 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:42:32,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:42:32,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:42:32,295 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-28 04:42:32,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:32,295 INFO L85 PathProgramCache]: Analyzing trace with hash 171453297, now seen corresponding path program 1 times [2024-11-28 04:42:32,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:42:32,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091213635] [2024-11-28 04:42:32,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:32,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:42:32,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:42:32,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:42:32,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:43:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:56,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:43:56,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:57,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:57,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:43:57,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091213635] [2024-11-28 04:43:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091213635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:57,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:57,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:57,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790251578] [2024-11-28 04:43:57,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:57,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:43:57,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:57,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:57,557 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:43:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:58,218 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-28 04:43:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:43:58,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-28 04:43:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:58,221 INFO L225 Difference]: With dead ends: 39 [2024-11-28 04:43:58,221 INFO L226 Difference]: Without dead ends: 38 [2024-11-28 04:43:58,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:43:58,222 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 12 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:58,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 80 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:43:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-28 04:43:58,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-28 04:43:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:43:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-28 04:43:58,228 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 17 [2024-11-28 04:43:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:58,229 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-28 04:43:58,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:43:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-28 04:43:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 04:43:58,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:58,230 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:58,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 04:43:58,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:43:58,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-28 04:43:58,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:58,432 INFO L85 PathProgramCache]: Analyzing trace with hash -186964574, now seen corresponding path program 1 times [2024-11-28 04:43:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:43:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579111181] [2024-11-28 04:43:58,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:58,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:58,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:58,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:58,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:43:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:58,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:43:58,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:58,633 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:58,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:43:58,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579111181] [2024-11-28 04:43:58,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579111181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:58,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:58,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815085934] [2024-11-28 04:43:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:58,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:43:58,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:58,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:58,636 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:58,701 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2024-11-28 04:43:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:58,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-28 04:43:58,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:58,708 INFO L225 Difference]: With dead ends: 36 [2024-11-28 04:43:58,708 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:43:58,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:58,710 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:58,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:43:58,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:43:58,711 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) [2024-11-28 04:43:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:43:58,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2024-11-28 04:43:58,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:58,711 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:43:58,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:43:58,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:43:58,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2024-11-28 04:43:58,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-28 04:43:58,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-28 04:43:58,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-28 04:43:58,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-28 04:43:58,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:43:58,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:58,932 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 04:43:58,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:43:59,146 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:43:59,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:43:59 BoogieIcfgContainer [2024-11-28 04:43:59,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:43:59,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:43:59,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:43:59,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:43:59,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:28" (3/4) ... [2024-11-28 04:43:59,159 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:43:59,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-28 04:43:59,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-28 04:43:59,171 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 04:43:59,171 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:43:59,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:43:59,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:43:59,278 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:43:59,279 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:43:59,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:43:59,281 INFO L158 Benchmark]: Toolchain (without parser) took 221248.85ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 61.5MB in the end (delta: 18.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-28 04:43:59,281 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:59,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2993.10ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 51.0MB in the end (delta: 28.6MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-28 04:43:59,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.70ms. Allocated memory is still 109.1MB. Free memory was 51.0MB in the beginning and 46.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:59,283 INFO L158 Benchmark]: Boogie Preprocessor took 46.08ms. Allocated memory is still 109.1MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:59,283 INFO L158 Benchmark]: RCFGBuilder took 7450.14ms. Allocated memory is still 109.1MB. Free memory was 44.8MB in the beginning and 29.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:43:59,285 INFO L158 Benchmark]: TraceAbstraction took 210553.09ms. Allocated memory is still 109.1MB. Free memory was 29.2MB in the beginning and 66.2MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:59,285 INFO L158 Benchmark]: Witness Printer took 125.35ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:59,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2993.10ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 51.0MB in the end (delta: 28.6MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.70ms. Allocated memory is still 109.1MB. Free memory was 51.0MB in the beginning and 46.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.08ms. Allocated memory is still 109.1MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7450.14ms. Allocated memory is still 109.1MB. Free memory was 44.8MB in the beginning and 29.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 210553.09ms. Allocated memory is still 109.1MB. Free memory was 29.2MB in the beginning and 66.2MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.35ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.8MB). 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: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 210.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 35.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 426 SdHoareTripleChecker+Invalid, 35.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 176 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 170.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 5 QuantifiedInterpolants, 368 SizeOfPredicates, 2 NumberOfNonLiveVariables, 320 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:43:59,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ef4a78-5825-4596-8896-d1626e1c27d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE