./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme --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 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:01,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:01,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:41:01,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:01,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:01,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:01,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:01,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:01,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:01,995 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:01,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:01,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:01,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:01,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:02,000 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:02,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:02,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:02,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:02,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:02,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:02,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:02,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:02,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:41:02,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:02,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:02,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:02,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:02,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:02,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:02,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:02,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:02,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:02,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:02,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:02,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:02,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:41:02,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:02,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:02,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:02,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:02,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:02,021 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_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d [2023-11-26 10:41:02,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:02,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:02,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:02,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:02,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:02,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-26 10:41:05,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:06,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:06,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-26 10:41:06,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/f06396af8/8f57dd4bdf9a4635b392f41b6c25b927/FLAG5de60b07f [2023-11-26 10:41:06,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/f06396af8/8f57dd4bdf9a4635b392f41b6c25b927 [2023-11-26 10:41:06,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:06,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:06,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:06,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:06,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:06,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:06" (1/1) ... [2023-11-26 10:41:06,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c79a3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:06, skipping insertion in model container [2023-11-26 10:41:06,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:06" (1/1) ... [2023-11-26 10:41:06,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:08,912 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-11-26 10:41:08,918 INFO L158 Benchmark]: Toolchain (without parser) took 2420.82ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 86.6MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:08,919 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 92.9MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:08,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2415.16ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 86.6MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:08,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 92.9MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2415.16ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 86.6MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. 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:610) 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_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme --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 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:11,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:12,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 10:41:12,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:12,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:12,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 10:41:12,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:12,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:12,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:12,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:12,242 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:12,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:12,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:12,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:12,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:12,247 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:12,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:12,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:12,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:12,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:12,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:12,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:12,253 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:41:12,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:41:12,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:41:12,254 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:41:12,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:12,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:12,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:12,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:12,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:12,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:12,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:12,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:12,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:12,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:12,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:12,262 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:41:12,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:41:12,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:12,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:12,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:12,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:12,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:12,265 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:41:12,265 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_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42e753f08f23965691c11d64d0d632df04d6e3f0daf4927f1d81817ca32f2a6d [2023-11-26 10:41:12,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:12,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:12,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:12,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:12,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:12,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-26 10:41:16,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:16,705 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:16,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-26 10:41:16,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/f550d0433/19e75ca7e501488593d0a84ff1fe6936/FLAG2157fb664 [2023-11-26 10:41:16,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/data/f550d0433/19e75ca7e501488593d0a84ff1fe6936 [2023-11-26 10:41:16,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:16,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:16,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:16,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:16,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:16,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:16" (1/1) ... [2023-11-26 10:41:16,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f75adaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:16, skipping insertion in model container [2023-11-26 10:41:16,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:16" (1/1) ... [2023-11-26 10:41:16,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:18,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:19,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:19,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:19,403 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:41:19,403 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:41:19,403 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:41:19,404 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:41:19,404 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:41:19,412 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:19,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19 WrapperNode [2023-11-26 10:41:19,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:19,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:19,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:19,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:19,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,511 INFO L138 Inliner]: procedures = 944, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2023-11-26 10:41:19,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:19,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:19,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:19,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:19,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,551 INFO L175 MemorySlicer]: Split 8 memory accesses to 5 slices as follows [1, 1, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1, 0, 0, 0]. The 4 writes are split as follows [0, 0, 1, 2, 1]. [2023-11-26 10:41:19,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:19,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:19,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:19,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:19,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (1/1) ... [2023-11-26 10:41:19,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:19,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:19,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:41:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:41:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2023-11-26 10:41:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:41:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 10:41:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 10:41:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 10:41:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 10:41:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 10:41:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 10:41:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 10:41:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 10:41:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 10:41:19,855 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:19,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:23,981 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:24,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:24,024 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:41:24,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:24 BoogieIcfgContainer [2023-11-26 10:41:24,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:24,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:24,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:24,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:24,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:16" (1/3) ... [2023-11-26 10:41:24,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:24, skipping insertion in model container [2023-11-26 10:41:24,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:19" (2/3) ... [2023-11-26 10:41:24,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:24, skipping insertion in model container [2023-11-26 10:41:24,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:24" (3/3) ... [2023-11-26 10:41:24,035 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_34_good.i [2023-11-26 10:41:24,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:24,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-26 10:41:24,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:24,112 INFO L357 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, mHoare=true, 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;@4f1c3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:24,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-26 10:41:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:41:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 10:41:24,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:24,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:24,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-26 10:41:24,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:24,132 INFO L85 PathProgramCache]: Analyzing trace with hash -536523794, now seen corresponding path program 1 times [2023-11-26 10:41:24,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:24,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333308301] [2023-11-26 10:41:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:24,148 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 [2023-11-26 10:41:24,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:24,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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 (2)] Waiting until timeout for monitored process [2023-11-26 10:41:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:24,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:41:24,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:24,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:24,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:24,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333308301] [2023-11-26 10:41:24,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333308301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:24,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:24,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:24,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707386227] [2023-11-26 10:41:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:24,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:24,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:24,480 INFO L87 Difference]: Start difference. First operand has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 10:41:24,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:24,645 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2023-11-26 10:41:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-26 10:41:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:24,655 INFO L225 Difference]: With dead ends: 35 [2023-11-26 10:41:24,655 INFO L226 Difference]: Without dead ends: 25 [2023-11-26 10:41:24,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:24,662 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:24,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:41:24,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-26 10:41:24,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-26 10:41:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2023-11-26 10:41:24,701 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 8 [2023-11-26 10:41:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:24,703 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2023-11-26 10:41:24,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 10:41:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-26 10:41:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:41:24,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:24,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:24,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:24,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:41:24,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-26 10:41:24,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:24,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1248507555, now seen corresponding path program 1 times [2023-11-26 10:41:24,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:24,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202188229] [2023-11-26 10:41:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:24,917 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 [2023-11-26 10:41:24,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:24,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:24,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:41:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:41:25,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:25,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:25,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:25,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202188229] [2023-11-26 10:41:25,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202188229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:25,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:25,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:25,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515859853] [2023-11-26 10:41:25,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:25,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:41:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:25,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:41:25,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:41:25,200 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-26 10:41:29,322 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 [] [2023-11-26 10:41:33,327 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 [] [2023-11-26 10:41:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:33,567 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2023-11-26 10:41:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:41:33,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 17 [2023-11-26 10:41:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:33,574 INFO L225 Difference]: With dead ends: 26 [2023-11-26 10:41:33,575 INFO L226 Difference]: Without dead ends: 25 [2023-11-26 10:41:33,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:33,576 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:33,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-11-26 10:41:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-26 10:41:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2023-11-26 10:41:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2023-11-26 10:41:33,583 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 17 [2023-11-26 10:41:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:33,584 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-26 10:41:33,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-26 10:41:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-26 10:41:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:41:33,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:33,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:33,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:41:33,786 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-26 10:41:33,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash 49032645, now seen corresponding path program 1 times [2023-11-26 10:41:33,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:33,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749601985] [2023-11-26 10:41:33,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,788 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 [2023-11-26 10:41:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:33,789 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:33,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:41:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:34,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:34,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:34,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:34,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:34,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749601985] [2023-11-26 10:41:34,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749601985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:34,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:34,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:34,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539597835] [2023-11-26 10:41:34,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:34,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:34,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:34,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:34,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:34,031 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:34,082 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2023-11-26 10:41:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:34,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-26 10:41:34,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:34,084 INFO L225 Difference]: With dead ends: 29 [2023-11-26 10:41:34,084 INFO L226 Difference]: Without dead ends: 24 [2023-11-26 10:41:34,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:34,086 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:34,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:34,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-26 10:41:34,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-26 10:41:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2023-11-26 10:41:34,092 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18 [2023-11-26 10:41:34,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:34,092 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-11-26 10:41:34,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-11-26 10:41:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:41:34,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:34,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:34,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:41:34,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-26 10:41:34,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:34,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1519887077, now seen corresponding path program 1 times [2023-11-26 10:41:34,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:34,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270248835] [2023-11-26 10:41:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:34,302 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 [2023-11-26 10:41:34,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:34,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:34,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ca92cb-6aee-47dc-af3c-946234a3f91c/bin/uautomizer-verify-VRDe98Ueme/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