./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX --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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:30:53,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:30:53,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:30:53,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:30:53,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:30:53,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:30:53,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:30:53,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:30:53,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:30:53,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:30:53,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:30:53,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:30:53,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:30:53,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:30:53,281 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:30:53,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:30:53,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:30:53,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:30:53,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:30:53,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:30:53,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:30:53,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:30:53,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:30:53,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:30:53,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:30:53,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:30:53,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:30:53,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:30:53,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:30:53,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:30:53,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:30:53,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:53,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:30:53,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:30:53,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:30:53,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:30:53,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:30:53,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:30:53,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:30:53,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:30:53,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:30:53,292 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2024-11-08 16:30:53,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:30:53,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:30:53,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:30:53,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:30:53,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:30:53,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i Unable to find full path for "g++" [2024-11-08 16:30:55,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:30:56,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:30:56,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-08 16:30:56,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/b23a68898/df5cb081336541e28fdad590fc55ee4f/FLAG83c10be3a [2024-11-08 16:30:56,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/b23a68898/df5cb081336541e28fdad590fc55ee4f [2024-11-08 16:30:56,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:30:56,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:30:56,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:56,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:30:56,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:30:56,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:56" (1/1) ... [2024-11-08 16:30:56,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7e7304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:56, skipping insertion in model container [2024-11-08 16:30:56,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:56" (1/1) ... [2024-11-08 16:30:56,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:30:58,272 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:1028) 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:792) 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:792) 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:1775) 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:2421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:200) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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) [2024-11-08 16:30:58,278 INFO L158 Benchmark]: Toolchain (without parser) took 2183.33ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 82.8MB in the beginning and 120.4MB in the end (delta: -37.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-08 16:30:58,278 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:30:58,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2180.07ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 82.5MB in the beginning and 120.4MB in the end (delta: -38.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-08 16:30:58,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2180.07ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 82.5MB in the beginning and 120.4MB in the end (delta: -38.0MB). Peak memory consumption was 36.6MB. 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:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX --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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:31:00,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:31:00,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:31:00,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:31:00,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:31:00,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:31:00,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:31:00,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:31:00,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:31:00,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:31:00,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:31:00,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:31:00,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:31:00,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:31:00,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:31:00,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:31:00,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:31:00,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:31:00,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:31:00,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:31:00,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:31:00,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:31:00,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:31:00,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:31:00,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:31:00,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:31:00,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:31:00,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:31:00,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:31:00,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:31:00,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:31:00,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:31:00,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:31:00,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:31:00,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:31:00,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:31:00,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:31:00,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:31:00,689 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:31:00,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:31:00,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:31:00,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:31:00,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:31:00,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:31:00,704 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2024-11-08 16:31:01,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:31:01,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:31:01,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:31:01,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:31:01,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:31:01,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i Unable to find full path for "g++" [2024-11-08 16:31:03,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:31:03,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:31:03,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-08 16:31:03,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/01bfc9d9d/4015fbb0ab9c449fa8706b0e0bcfcfba/FLAGee72ef47e [2024-11-08 16:31:03,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/data/01bfc9d9d/4015fbb0ab9c449fa8706b0e0bcfcfba [2024-11-08 16:31:03,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:31:03,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:31:03,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:31:03,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:31:03,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:31:03,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:31:03" (1/1) ... [2024-11-08 16:31:03,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e078cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:03, skipping insertion in model container [2024-11-08 16:31:03,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:31:03" (1/1) ... [2024-11-08 16:31:03,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:31:05,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:31:05,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:31:05,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:31:06,232 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:31:06,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06 WrapperNode [2024-11-08 16:31:06,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:31:06,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:31:06,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:31:06,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:31:06,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,319 INFO L138 Inliner]: procedures = 945, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 247 [2024-11-08 16:31:06,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:31:06,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:31:06,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:31:06,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:31:06,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,370 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2024-11-08 16:31:06,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:31:06,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:31:06,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:31:06,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:31:06,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (1/1) ... [2024-11-08 16:31:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:31:06,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:06,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:31:06,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:31:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-08 16:31:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-08 16:31:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:31:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:31:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:31:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:31:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:31:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:31:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:31:06,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:31:06,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:31:19,775 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-08 16:31:19,776 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:31:19,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:31:19,790 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:31:19,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:31:19 BoogieIcfgContainer [2024-11-08 16:31:19,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:31:19,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:31:19,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:31:19,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:31:19,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:31:03" (1/3) ... [2024-11-08 16:31:19,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369c0b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:31:19, skipping insertion in model container [2024-11-08 16:31:19,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:31:06" (2/3) ... [2024-11-08 16:31:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369c0b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:31:19, skipping insertion in model container [2024-11-08 16:31:19,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:31:19" (3/3) ... [2024-11-08 16:31:19,802 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_15_good.i [2024-11-08 16:31:19,820 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:31:19,820 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-08 16:31:19,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:31:19,889 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;@135b5925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:31:19,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 16:31:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 66 states have (on average 1.5) internal successors, (99), 84 states have internal predecessors, (99), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:31:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 16:31:19,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:19,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:19,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:31:19,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:19,911 INFO L85 PathProgramCache]: Analyzing trace with hash -249538130, now seen corresponding path program 1 times [2024-11-08 16:31:19,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:31:19,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057945190] [2024-11-08 16:31:19,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:19,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:19,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:19,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:19,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:31:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:20,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:31:20,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:20,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:20,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:31:20,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057945190] [2024-11-08 16:31:20,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057945190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:20,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:20,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:31:20,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335703660] [2024-11-08 16:31:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:20,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:31:20,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:31:20,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:31:20,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:31:20,211 INFO L87 Difference]: Start difference. First operand has 97 states, 66 states have (on average 1.5) internal successors, (99), 84 states have internal predecessors, (99), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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) [2024-11-08 16:31:20,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:20,275 INFO L93 Difference]: Finished difference Result 183 states and 253 transitions. [2024-11-08 16:31:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:31:20,278 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 [2024-11-08 16:31:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:20,290 INFO L225 Difference]: With dead ends: 183 [2024-11-08 16:31:20,291 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 16:31:20,296 INFO L431 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 [2024-11-08 16:31:20,301 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:20,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:31:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 16:31:20,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 16:31:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 72 states have internal predecessors, (85), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:31:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-11-08 16:31:20,361 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 15 [2024-11-08 16:31:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:20,365 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-11-08 16:31:20,366 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) [2024-11-08 16:31:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-11-08 16:31:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 16:31:20,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:20,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:20,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:31:20,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:20,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:31:20,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:20,577 INFO L85 PathProgramCache]: Analyzing trace with hash -968866459, now seen corresponding path program 1 times [2024-11-08 16:31:20,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:31:20,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666111468] [2024-11-08 16:31:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:20,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:20,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:20,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:31:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:20,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:31:20,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:20,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:20,817 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:31:20,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666111468] [2024-11-08 16:31:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666111468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:20,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:20,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:31:20,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403591676] [2024-11-08 16:31:20,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:20,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:31:20,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:31:20,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:31:20,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:31:20,821 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:31:24,905 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 [] [2024-11-08 16:31:28,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:31:32,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:31:34,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:31:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:34,283 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2024-11-08 16:31:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:31:34,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-08 16:31:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:34,286 INFO L225 Difference]: With dead ends: 161 [2024-11-08 16:31:34,286 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 16:31:34,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:31:34,288 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:34,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 321 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-11-08 16:31:34,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 16:31:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-11-08 16:31:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 62 states have (on average 1.467741935483871) internal successors, (91), 76 states have internal predecessors, (91), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:31:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-11-08 16:31:34,301 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 16 [2024-11-08 16:31:34,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:34,302 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-11-08 16:31:34,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:31:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-11-08 16:31:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 16:31:34,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:34,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:34,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:31:34,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:34,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:31:34,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash 29914961, now seen corresponding path program 1 times [2024-11-08 16:31:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:31:34,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204130192] [2024-11-08 16:31:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:34,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:34,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:34,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:34,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:31:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:34,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:31:34,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:34,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:34,670 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:31:34,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204130192] [2024-11-08 16:31:34,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204130192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:34,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:34,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:31:34,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022896267] [2024-11-08 16:31:34,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:34,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:31:34,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:31:34,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:31:34,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:31:34,675 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-11-08 16:31:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:34,729 INFO L93 Difference]: Finished difference Result 152 states and 206 transitions. [2024-11-08 16:31:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:31:34,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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 [2024-11-08 16:31:34,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:34,734 INFO L225 Difference]: With dead ends: 152 [2024-11-08 16:31:34,734 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 16:31:34,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:31:34,736 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 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 [2024-11-08 16:31:34,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:31:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 16:31:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-08 16:31:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 77 states have internal predecessors, (92), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:31:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-11-08 16:31:34,757 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 17 [2024-11-08 16:31:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:34,760 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-11-08 16:31:34,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-11-08 16:31:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-11-08 16:31:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 16:31:34,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:34,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:31:34,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:31:34,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:34,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:31:34,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:34,965 INFO L85 PathProgramCache]: Analyzing trace with hash 927238887, now seen corresponding path program 1 times [2024-11-08 16:31:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:31:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609406697] [2024-11-08 16:31:34,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:34,967 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 [2024-11-08 16:31:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:31:34,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:31:34,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:32:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:52,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:32:52,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:32:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:32:53,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:32:53,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:32:53,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609406697] [2024-11-08 16:32:53,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609406697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:53,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:53,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:32:53,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174514096] [2024-11-08 16:32:53,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:53,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:32:53,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:32:53,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:32:53,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:32:53,706 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-08 16:32:58,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:33:02,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:33:06,156 WARN L539 Checker$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] [2024-11-08 16:33:10,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:33:14,162 WARN L539 Checker$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] [2024-11-08 16:33:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:14,673 INFO L93 Difference]: Finished difference Result 157 states and 213 transitions. [2024-11-08 16:33:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:33:14,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18 [2024-11-08 16:33:14,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:14,677 INFO L225 Difference]: With dead ends: 157 [2024-11-08 16:33:14,677 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 16:33:14,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:33:14,679 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:14,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 521 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 20.8s Time] [2024-11-08 16:33:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 16:33:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 89. [2024-11-08 16:33:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 78 states have internal predecessors, (93), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:33:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-11-08 16:33:14,701 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 18 [2024-11-08 16:33:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:14,702 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-11-08 16:33:14,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-08 16:33:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-08 16:33:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 16:33:14,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:14,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:14,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:33:14,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:33:14,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:33:14,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:14,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1320365485, now seen corresponding path program 1 times [2024-11-08 16:33:14,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:14,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541206551] [2024-11-08 16:33:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:14,906 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 [2024-11-08 16:33:14,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:14,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:33:14,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 16:34:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:49,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:34:49,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:34:50,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:50,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541206551] [2024-11-08 16:34:50,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541206551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:50,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:50,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:34:50,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92264266] [2024-11-08 16:34:50,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:50,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:34:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:34:50,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:34:50,499 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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) [2024-11-08 16:34:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:51,384 INFO L93 Difference]: Finished difference Result 92 states and 125 transitions. [2024-11-08 16:34:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:34:51,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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 19 [2024-11-08 16:34:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:51,388 INFO L225 Difference]: With dead ends: 92 [2024-11-08 16:34:51,388 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 16:34:51,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:34:51,389 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:51,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 321 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:34:51,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 16:34:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2024-11-08 16:34:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 77 states have internal predecessors, (92), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:34:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-11-08 16:34:51,398 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 19 [2024-11-08 16:34:51,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:51,399 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-11-08 16:34:51,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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) [2024-11-08 16:34:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-11-08 16:34:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 16:34:51,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:51,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:51,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 16:34:51,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:34:51,601 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:34:51,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:51,602 INFO L85 PathProgramCache]: Analyzing trace with hash -838223992, now seen corresponding path program 1 times [2024-11-08 16:34:51,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:51,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747609995] [2024-11-08 16:34:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:51,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:34:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:34:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:51,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:34:51,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:34:51,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:51,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:51,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747609995] [2024-11-08 16:34:51,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747609995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:51,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:51,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:34:51,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788032915] [2024-11-08 16:34:51,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:51,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:34:51,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:34:51,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:34:51,764 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 16:34:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:51,784 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2024-11-08 16:34:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:34:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2024-11-08 16:34:51,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:51,786 INFO L225 Difference]: With dead ends: 146 [2024-11-08 16:34:51,786 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 16:34:51,786 INFO L431 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 [2024-11-08 16:34:51,787 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:51,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:34:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 16:34:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-08 16:34:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 77 states have internal predecessors, (90), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:34:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 118 transitions. [2024-11-08 16:34:51,796 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 118 transitions. Word has length 22 [2024-11-08 16:34:51,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:51,797 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 118 transitions. [2024-11-08 16:34:51,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 16:34:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2024-11-08 16:34:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 16:34:51,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:51,798 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:51,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 16:34:51,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:51,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:34:52,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:52,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1484925521, now seen corresponding path program 1 times [2024-11-08 16:34:52,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:52,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561298865] [2024-11-08 16:34:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:52,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:52,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:34:52,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:34:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:52,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:34:52,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:34:52,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:52,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561298865] [2024-11-08 16:34:52,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561298865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:52,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:52,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:34:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939272589] [2024-11-08 16:34:52,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:52,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:34:52,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:52,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:34:52,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:34:52,123 INFO L87 Difference]: Start difference. First operand 88 states and 118 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:34:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:52,146 INFO L93 Difference]: Finished difference Result 146 states and 196 transitions. [2024-11-08 16:34:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:34:52,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-11-08 16:34:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:52,148 INFO L225 Difference]: With dead ends: 146 [2024-11-08 16:34:52,148 INFO L226 Difference]: Without dead ends: 87 [2024-11-08 16:34:52,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:34:52,151 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:52,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:34:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-08 16:34:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-08 16:34:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.353846153846154) internal successors, (88), 76 states have internal predecessors, (88), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 16:34:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 114 transitions. [2024-11-08 16:34:52,163 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 114 transitions. Word has length 26 [2024-11-08 16:34:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:52,163 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 114 transitions. [2024-11-08 16:34:52,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:34:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2024-11-08 16:34:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 16:34:52,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:52,165 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:52,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:52,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:52,366 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:34:52,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1797141901, now seen corresponding path program 1 times [2024-11-08 16:34:52,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:52,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082567752] [2024-11-08 16:34:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:52,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:52,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:34:52,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 16:34:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:52,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:34:52,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:34:52,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:52,485 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:52,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082567752] [2024-11-08 16:34:52,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082567752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:52,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:52,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:34:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217762001] [2024-11-08 16:34:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:52,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:34:52,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:34:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:34:52,487 INFO L87 Difference]: Start difference. First operand 87 states and 114 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-08 16:34:52,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:52,501 INFO L93 Difference]: Finished difference Result 136 states and 178 transitions. [2024-11-08 16:34:52,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:34:52,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 30 [2024-11-08 16:34:52,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:52,503 INFO L225 Difference]: With dead ends: 136 [2024-11-08 16:34:52,503 INFO L226 Difference]: Without dead ends: 85 [2024-11-08 16:34:52,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:34:52,505 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:52,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:34:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-08 16:34:52,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-08 16:34:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 64 states have (on average 1.328125) internal successors, (85), 74 states have internal predecessors, (85), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:34:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2024-11-08 16:34:52,513 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 30 [2024-11-08 16:34:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:52,513 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2024-11-08 16:34:52,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-08 16:34:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2024-11-08 16:34:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 16:34:52,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:52,515 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:52,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 16:34:52,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:52,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:34:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:52,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1705917325, now seen corresponding path program 1 times [2024-11-08 16:34:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:52,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148901308] [2024-11-08 16:34:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:52,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:52,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:52,723 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:34:52,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 16:34:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:52,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:34:52,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:34:52,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:52,905 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:52,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148901308] [2024-11-08 16:34:52,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148901308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:52,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:52,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:34:52,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85291939] [2024-11-08 16:34:52,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:52,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:34:52,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:34:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:34:52,908 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-08 16:34:56,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:00,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:04,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:06,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:06,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:06,999 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2024-11-08 16:35:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:35:07,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2024-11-08 16:35:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:07,001 INFO L225 Difference]: With dead ends: 138 [2024-11-08 16:35:07,001 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 16:35:07,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:35:07,002 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:07,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 285 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-11-08 16:35:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 16:35:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 88. [2024-11-08 16:35:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 77 states have internal predecessors, (89), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:35:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2024-11-08 16:35:07,011 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 31 [2024-11-08 16:35:07,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:07,011 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-08 16:35:07,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-08 16:35:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2024-11-08 16:35:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 16:35:07,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:07,013 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:07,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 16:35:07,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:35:07,214 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:35:07,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:07,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1343825352, now seen corresponding path program 1 times [2024-11-08 16:35:07,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:07,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863974685] [2024-11-08 16:35:07,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:07,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:35:07,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:35:07,217 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:35:07,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 16:35:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:07,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:35:07,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:35:07,382 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:35:07,382 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:35:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863974685] [2024-11-08 16:35:07,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863974685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:07,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:35:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998694198] [2024-11-08 16:35:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:07,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:35:07,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:35:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:35:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:35:07,384 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-08 16:35:07,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:07,410 INFO L93 Difference]: Finished difference Result 128 states and 163 transitions. [2024-11-08 16:35:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:35:07,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 32 [2024-11-08 16:35:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:07,412 INFO L225 Difference]: With dead ends: 128 [2024-11-08 16:35:07,413 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 16:35:07,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:35:07,414 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 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 [2024-11-08 16:35:07,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:35:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 16:35:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 16:35:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 78 states have internal predecessors, (90), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:35:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-11-08 16:35:07,421 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 32 [2024-11-08 16:35:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:07,422 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-08 16:35:07,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-08 16:35:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2024-11-08 16:35:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 16:35:07,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:07,423 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:07,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:35:07,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:35:07,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:35:07,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:07,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1290962197, now seen corresponding path program 1 times [2024-11-08 16:35:07,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:07,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700323311] [2024-11-08 16:35:07,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:07,626 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 [2024-11-08 16:35:07,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:35:07,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:35:07,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-08 16:36:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:33,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:36:33,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:36:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:36:34,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:36:34,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:36:34,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700323311] [2024-11-08 16:36:34,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700323311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:34,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:34,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:34,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703591451] [2024-11-08 16:36:34,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:34,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:36:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:36:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:36:34,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:36:34,399 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-08 16:36:38,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:42,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:46,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:50,708 WARN L539 Checker$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] [2024-11-08 16:36:54,711 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] [2024-11-08 16:36:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:55,160 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2024-11-08 16:36:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:36:55,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 33 [2024-11-08 16:36:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:55,162 INFO L225 Difference]: With dead ends: 134 [2024-11-08 16:36:55,162 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 16:36:55,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:36:55,163 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 17 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:55,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 461 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2024-11-08 16:36:55,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 16:36:55,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 90. [2024-11-08 16:36:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 79 states have internal predecessors, (91), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:36:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2024-11-08 16:36:55,171 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 33 [2024-11-08 16:36:55,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:55,172 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2024-11-08 16:36:55,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-08 16:36:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2024-11-08 16:36:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 16:36:55,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:55,174 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:55,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-08 16:36:55,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:36:55,375 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:36:55,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1365122586, now seen corresponding path program 1 times [2024-11-08 16:36:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:36:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869894863] [2024-11-08 16:36:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:55,376 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 [2024-11-08 16:36:55,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:36:55,377 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:36:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 16:38:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:17,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:38:17,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:38:18,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:18,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869894863] [2024-11-08 16:38:18,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869894863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:18,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:18,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:38:18,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351871931] [2024-11-08 16:38:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:18,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:38:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:18,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:38:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:38:18,496 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-08 16:38:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:19,200 INFO L93 Difference]: Finished difference Result 98 states and 126 transitions. [2024-11-08 16:38:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:38:19,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 34 [2024-11-08 16:38:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:19,203 INFO L225 Difference]: With dead ends: 98 [2024-11-08 16:38:19,203 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 16:38:19,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:38:19,204 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 16 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:19,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 461 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:38:19,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 16:38:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2024-11-08 16:38:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 71 states have (on average 1.267605633802817) internal successors, (90), 78 states have internal predecessors, (90), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:38:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-11-08 16:38:19,211 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 34 [2024-11-08 16:38:19,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:19,211 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-08 16:38:19,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-08 16:38:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2024-11-08 16:38:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 16:38:19,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:19,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:19,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-08 16:38:19,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:38:19,414 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:19,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:19,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1875814807, now seen corresponding path program 1 times [2024-11-08 16:38:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:19,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823795804] [2024-11-08 16:38:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:19,416 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:19,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 16:38:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:19,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:19,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:38:19,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:19,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:19,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823795804] [2024-11-08 16:38:19,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823795804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:19,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:19,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:19,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161315656] [2024-11-08 16:38:19,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:19,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:19,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:19,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:19,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:19,588 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-08 16:38:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:19,605 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2024-11-08 16:38:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2024-11-08 16:38:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:19,607 INFO L225 Difference]: With dead ends: 122 [2024-11-08 16:38:19,607 INFO L226 Difference]: Without dead ends: 87 [2024-11-08 16:38:19,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:19,608 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:19,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:38:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-08 16:38:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-08 16:38:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 76 states have internal predecessors, (86), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:38:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2024-11-08 16:38:19,625 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 37 [2024-11-08 16:38:19,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:19,625 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2024-11-08 16:38:19,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-08 16:38:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-08 16:38:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:38:19,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:19,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:19,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 16:38:19,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:19,832 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:19,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:19,832 INFO L85 PathProgramCache]: Analyzing trace with hash -562708743, now seen corresponding path program 1 times [2024-11-08 16:38:19,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090406825] [2024-11-08 16:38:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:19,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:19,834 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 16:38:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:19,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:19,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:20,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:20,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:20,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090406825] [2024-11-08 16:38:20,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090406825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:20,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:20,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:38:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824344016] [2024-11-08 16:38:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:20,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:20,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:20,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:20,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:20,008 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:20,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:20,783 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2024-11-08 16:38:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:20,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-08 16:38:20,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:20,785 INFO L225 Difference]: With dead ends: 97 [2024-11-08 16:38:20,785 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 16:38:20,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:20,787 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 5 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:20,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 178 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:38:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 16:38:20,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2024-11-08 16:38:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 80 states have internal predecessors, (91), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:38:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 113 transitions. [2024-11-08 16:38:20,793 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 113 transitions. Word has length 44 [2024-11-08 16:38:20,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:20,794 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 113 transitions. [2024-11-08 16:38:20,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:20,794 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2024-11-08 16:38:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:38:20,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:20,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:20,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-08 16:38:20,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:20,997 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:20,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash -562649161, now seen corresponding path program 1 times [2024-11-08 16:38:20,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:20,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893001044] [2024-11-08 16:38:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:20,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:20,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:20,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:21,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 16:38:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:21,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:21,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:21,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:21,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:21,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893001044] [2024-11-08 16:38:21,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893001044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:21,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:21,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:21,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544703450] [2024-11-08 16:38:21,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:21,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:21,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:21,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:21,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,169 INFO L87 Difference]: Start difference. First operand 91 states and 113 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:21,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:21,191 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2024-11-08 16:38:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:21,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-08 16:38:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:21,193 INFO L225 Difference]: With dead ends: 119 [2024-11-08 16:38:21,193 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 16:38:21,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,194 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:21,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:38:21,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 16:38:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-08 16:38:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 79 states have internal predecessors, (90), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:38:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 112 transitions. [2024-11-08 16:38:21,200 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 112 transitions. Word has length 44 [2024-11-08 16:38:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:21,201 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 112 transitions. [2024-11-08 16:38:21,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2024-11-08 16:38:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 16:38:21,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:21,202 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:21,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 16:38:21,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:21,403 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:21,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1973759974, now seen corresponding path program 1 times [2024-11-08 16:38:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:21,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344533223] [2024-11-08 16:38:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:21,405 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:21,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 16:38:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:21,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:21,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:21,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:21,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:21,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344533223] [2024-11-08 16:38:21,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344533223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:21,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:21,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:21,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731249033] [2024-11-08 16:38:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:21,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:21,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,568 INFO L87 Difference]: Start difference. First operand 91 states and 112 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:38:21,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:21,582 INFO L93 Difference]: Finished difference Result 113 states and 138 transitions. [2024-11-08 16:38:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:21,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-08 16:38:21,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:21,583 INFO L225 Difference]: With dead ends: 113 [2024-11-08 16:38:21,583 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 16:38:21,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,585 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:21,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:38:21,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 16:38:21,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-08 16:38:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 73 states have internal predecessors, (82), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:38:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2024-11-08 16:38:21,591 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 48 [2024-11-08 16:38:21,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:21,591 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2024-11-08 16:38:21,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:38:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-08 16:38:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 16:38:21,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:21,593 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:21,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-08 16:38:21,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:21,793 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:21,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:21,794 INFO L85 PathProgramCache]: Analyzing trace with hash -693709205, now seen corresponding path program 1 times [2024-11-08 16:38:21,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:21,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391694582] [2024-11-08 16:38:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:21,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:21,797 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:21,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 16:38:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:21,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:21,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:21,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:21,973 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:21,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391694582] [2024-11-08 16:38:21,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391694582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:21,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:21,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:21,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851299697] [2024-11-08 16:38:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:21,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:21,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:21,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:21,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,975 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:21,996 INFO L93 Difference]: Finished difference Result 99 states and 119 transitions. [2024-11-08 16:38:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-08 16:38:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:21,998 INFO L225 Difference]: With dead ends: 99 [2024-11-08 16:38:21,998 INFO L226 Difference]: Without dead ends: 82 [2024-11-08 16:38:21,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:21,999 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:21,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:38:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-08 16:38:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-08 16:38:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.144927536231884) internal successors, (79), 71 states have internal predecessors, (79), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 16:38:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2024-11-08 16:38:22,006 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 50 [2024-11-08 16:38:22,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:22,006 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2024-11-08 16:38:22,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:38:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-11-08 16:38:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:38:22,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:22,007 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:22,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 16:38:22,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:22,208 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:22,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:22,209 INFO L85 PathProgramCache]: Analyzing trace with hash -622084023, now seen corresponding path program 1 times [2024-11-08 16:38:22,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:22,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649077219] [2024-11-08 16:38:22,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:22,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:22,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:22,211 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:22,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-08 16:38:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:22,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:22,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:22,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:22,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:22,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649077219] [2024-11-08 16:38:22,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649077219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:22,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:22,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:38:22,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244780024] [2024-11-08 16:38:22,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:22,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:22,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:22,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:22,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:22,412 INFO L87 Difference]: Start difference. First operand 82 states and 97 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 16:38:26,491 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 [] [2024-11-08 16:38:26,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:26,608 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2024-11-08 16:38:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:26,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 56 [2024-11-08 16:38:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:26,614 INFO L225 Difference]: With dead ends: 88 [2024-11-08 16:38:26,614 INFO L226 Difference]: Without dead ends: 82 [2024-11-08 16:38:26,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:26,615 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:26,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 16:38:26,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-08 16:38:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-08 16:38:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 16:38:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-11-08 16:38:26,620 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 56 [2024-11-08 16:38:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:26,620 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-11-08 16:38:26,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 16:38:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-08 16:38:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 16:38:26,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:26,622 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:26,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-08 16:38:26,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:26,822 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 16:38:26,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:26,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2102950800, now seen corresponding path program 1 times [2024-11-08 16:38:26,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:26,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245724870] [2024-11-08 16:38:26,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:26,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:26,825 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 16:38:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:27,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:27,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 16:38:27,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:27,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:27,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245724870] [2024-11-08 16:38:27,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245724870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:27,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:27,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:27,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554596449] [2024-11-08 16:38:27,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:27,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:27,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:27,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:27,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:27,045 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 16:38:27,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:27,049 INFO L93 Difference]: Finished difference Result 86 states and 100 transitions. [2024-11-08 16:38:27,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:27,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2024-11-08 16:38:27,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:27,050 INFO L225 Difference]: With dead ends: 86 [2024-11-08 16:38:27,050 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:38:27,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:27,051 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:27,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:38:27,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:38:27,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:38:27,052 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) [2024-11-08 16:38:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:38:27,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2024-11-08 16:38:27,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:27,053 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:38:27,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 16:38:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:38:27,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:38:27,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-08 16:38:27,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-08 16:38:27,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-08 16:38:27,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-08 16:38:27,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-08 16:38:27,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-08 16:38:27,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-08 16:38:27,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-08 16:38:27,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-08 16:38:27,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-08 16:38:27,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-08 16:38:27,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:27,262 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:27,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:38:27,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:38:27,704 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-08 16:38:27,706 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-08 16:38:27,706 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-11-08 16:38:27,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-11-08 16:38:27,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-11-08 16:38:27,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-11-08 16:38:27,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-11-08 16:38:27,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-11-08 16:38:27,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-11-08 16:38:27,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-11-08 16:38:27,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-11-08 16:38:27,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-11-08 16:38:27,711 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-11-08 16:38:27,712 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NAN [2024-11-08 16:38:27,713 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_INFINITE [2024-11-08 16:38:27,713 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_ZERO [2024-11-08 16:38:27,713 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_SUBNORMAL [2024-11-08 16:38:27,713 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NORMAL [2024-11-08 16:38:27,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-11-08 16:38:27,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-11-08 16:38:27,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-11-08 16:38:27,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-11-08 16:38:27,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NAN [2024-11-08 16:38:27,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_INFINITE [2024-11-08 16:38:27,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_ZERO [2024-11-08 16:38:27,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_SUBNORMAL [2024-11-08 16:38:27,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NORMAL [2024-11-08 16:38:27,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:38:27 BoogieIcfgContainer [2024-11-08 16:38:27,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:38:27,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:38:27,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:38:27,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:38:27,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:31:19" (3/4) ... [2024-11-08 16:38:27,727 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:38:27,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-08 16:38:27,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-08 16:38:27,740 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-08 16:38:27,741 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 16:38:27,741 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:38:27,741 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:38:27,742 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:38:27,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:38:27,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:38:27,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:38:27,884 INFO L158 Benchmark]: Toolchain (without parser) took 444091.09ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 43.9MB in the beginning and 45.0MB in the end (delta: -1.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,884 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 103.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2438.14ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 48.2MB in the end (delta: -4.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.83ms. Allocated memory is still 88.1MB. Free memory was 48.2MB in the beginning and 43.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,887 INFO L158 Benchmark]: Boogie Preprocessor took 76.47ms. Allocated memory is still 88.1MB. Free memory was 43.6MB in the beginning and 40.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,887 INFO L158 Benchmark]: RCFGBuilder took 13393.47ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 38.2MB in the end (delta: 1.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,887 INFO L158 Benchmark]: TraceAbstraction took 427929.82ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 52.4MB in the end (delta: -14.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,892 INFO L158 Benchmark]: Witness Printer took 159.54ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 45.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:38:27,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 103.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2438.14ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 48.2MB in the end (delta: -4.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.83ms. Allocated memory is still 88.1MB. Free memory was 48.2MB in the beginning and 43.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.47ms. Allocated memory is still 88.1MB. Free memory was 43.6MB in the beginning and 40.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13393.47ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 38.2MB in the end (delta: 1.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 427929.82ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 52.4MB in the end (delta: -14.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 159.54ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 45.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FP_NORMAL * 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: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1899]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1957]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1957]: 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, 97 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 427.4s, OverallIterations: 19, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 76.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 75.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 4803 SdHoareTripleChecker+Invalid, 75.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2897 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 1906 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 43 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 341.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 610 ConstructedInterpolants, 10 QuantifiedInterpolants, 1172 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2398 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:38:28,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75422861-ffcc-416b-8f8f-dcd19abb00df/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE