./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 4d5ad1d4b660ffe702e76ae59116426cfe9b3ec53a7fd049efdd15c1eaac1611 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:00:28,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:00:28,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:00:28,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:00:28,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:00:28,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:00:28,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:00:28,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:00:28,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:00:29,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:00:29,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:00:29,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:00:29,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:00:29,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:00:29,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:00:29,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:00:29,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:00:29,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:00:29,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:00:29,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:00:29,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:00:29,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:00:29,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:00:29,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:00:29,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:00:29,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:00:29,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:00:29,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:29,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:00:29,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:00:29,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:00:29,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:00:29,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:00:29,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:00:29,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:00:29,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:00:29,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:00:29,018 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:00:29,018 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_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5ad1d4b660ffe702e76ae59116426cfe9b3ec53a7fd049efdd15c1eaac1611 [2023-11-06 23:00:29,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:00:29,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:00:29,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:00:29,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:00:29,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:00:29,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i [2023-11-06 23:00:32,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:00:32,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:00:32,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i [2023-11-06 23:00:32,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/4fe5ce5a8/d852ec90012d40cdbcb38500caa6e9f9/FLAG2c57704d2 [2023-11-06 23:00:32,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/4fe5ce5a8/d852ec90012d40cdbcb38500caa6e9f9 [2023-11-06 23:00:32,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:00:32,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:00:32,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:32,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:00:32,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:00:32,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:32" (1/1) ... [2023-11-06 23:00:32,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b02d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:32, skipping insertion in model container [2023-11-06 23:00:32,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:32" (1/1) ... [2023-11-06 23:00:33,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:00:33,571 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:00:35,035 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:2225) 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:1472) 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:945) 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:725) 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:725) 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:1658) 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:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) 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.visit(CHandler.java:1689) 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:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) 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:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1499) 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:3388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:608) 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) [2023-11-06 23:00:35,040 INFO L158 Benchmark]: Toolchain (without parser) took 2058.88ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 83.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 23:00:35,040 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:00:35,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2053.86ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 83.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 23:00:35,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2053.86ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 83.3MB in the end (delta: 24.3MB). 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_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 4d5ad1d4b660ffe702e76ae59116426cfe9b3ec53a7fd049efdd15c1eaac1611 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:00:37,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:00:37,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 23:00:37,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:00:37,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:00:37,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 23:00:37,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:00:37,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:00:37,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:00:37,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:00:37,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:00:37,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:00:37,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:00:37,660 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:00:37,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:00:37,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:00:37,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:00:37,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:00:37,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:00:37,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:00:37,665 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:00:37,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:00:37,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:00:37,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:00:37,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:00:37,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:00:37,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:00:37,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:00:37,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:00:37,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:00:37,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:37,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:00:37,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:00:37,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:00:37,672 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:00:37,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:00:37,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:00:37,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:00:37,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:00:37,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:00:37,675 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:00:37,675 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:00:37,675 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_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5ad1d4b660ffe702e76ae59116426cfe9b3ec53a7fd049efdd15c1eaac1611 [2023-11-06 23:00:38,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:00:38,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:00:38,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:00:38,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:00:38,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:00:38,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i [2023-11-06 23:00:41,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:00:41,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:00:41,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_good.i [2023-11-06 23:00:41,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/d6d5bbd86/d8282b477b8d4b3dbe5fa613c02e0a3e/FLAG48e85eddd [2023-11-06 23:00:41,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/data/d6d5bbd86/d8282b477b8d4b3dbe5fa613c02e0a3e [2023-11-06 23:00:41,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:00:41,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:00:41,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:41,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:00:41,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:00:41,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:41" (1/1) ... [2023-11-06 23:00:41,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c8123a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:41, skipping insertion in model container [2023-11-06 23:00:41,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:41" (1/1) ... [2023-11-06 23:00:41,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:00:42,525 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:00:43,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:43,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:00:43,991 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:00:44,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:44,620 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,620 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,621 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,621 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,621 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,621 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:44,629 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:00:44,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44 WrapperNode [2023-11-06 23:00:44,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:44,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:44,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:00:44,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:00:44,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,726 INFO L138 Inliner]: procedures = 947, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2023-11-06 23:00:44,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:44,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:00:44,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:00:44,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:00:44,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:00:44,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:00:44,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:00:44,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:00:44,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (1/1) ... [2023-11-06 23:00:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:44,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:44,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:44,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:00:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 23:00:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 23:00:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:00:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:00:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:00:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:00:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 23:00:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 23:00:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 23:00:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 23:00:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 23:00:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:00:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:00:45,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:00:45,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:00:52,059 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:00:52,069 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:00:52,072 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:00:52,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:52 BoogieIcfgContainer [2023-11-06 23:00:52,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:00:52,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:00:52,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:00:52,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:00:52,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:00:41" (1/3) ... [2023-11-06 23:00:52,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d046d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:52, skipping insertion in model container [2023-11-06 23:00:52,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:44" (2/3) ... [2023-11-06 23:00:52,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d046d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:52, skipping insertion in model container [2023-11-06 23:00:52,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:52" (3/3) ... [2023-11-06 23:00:52,093 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_13_good.i [2023-11-06 23:00:52,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:00:52,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-06 23:00:52,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:00:52,202 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=LoopsAndPotentialCycles, 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;@529c412d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:00:52,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-06 23:00:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:00:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 23:00:52,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:52,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:52,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:00:52,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:52,227 INFO L85 PathProgramCache]: Analyzing trace with hash 933868346, now seen corresponding path program 1 times [2023-11-06 23:00:52,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:00:52,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061951564] [2023-11-06 23:00:52,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:52,248 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 [2023-11-06 23:00:52,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:00:52,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:00:52,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:52,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:52,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:52,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:52,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:00:52,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061951564] [2023-11-06 23:00:52,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061951564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:52,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:52,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:00:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888174374] [2023-11-06 23:00:52,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:52,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:00:52,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:00:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:00:52,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:52,523 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:00:52,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:52,669 INFO L93 Difference]: Finished difference Result 153 states and 202 transitions. [2023-11-06 23:00:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:00:52,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-06 23:00:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:52,682 INFO L225 Difference]: With dead ends: 153 [2023-11-06 23:00:52,683 INFO L226 Difference]: Without dead ends: 60 [2023-11-06 23:00:52,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:52,693 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:52,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 167 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:00:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-06 23:00:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-06 23:00:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 40 states have (on average 1.4) internal successors, (56), 53 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:00:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2023-11-06 23:00:52,746 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 12 [2023-11-06 23:00:52,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:52,748 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2023-11-06 23:00:52,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:00:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2023-11-06 23:00:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 23:00:52,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:52,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:52,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:52,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:00:52,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:52,971 INFO L85 PathProgramCache]: Analyzing trace with hash -500265313, now seen corresponding path program 1 times [2023-11-06 23:00:52,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:00:52,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996504830] [2023-11-06 23:00:52,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:52,973 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 [2023-11-06 23:00:52,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:00:52,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:00:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:53,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:00:53,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:53,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:53,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:00:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996504830] [2023-11-06 23:00:53,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996504830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:53,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:53,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:00:53,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210948527] [2023-11-06 23:00:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:53,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:00:53,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:00:53,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:00:53,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:00:53,200 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:00:55,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:00:57,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:00:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:57,634 INFO L93 Difference]: Finished difference Result 114 states and 137 transitions. [2023-11-06 23:00:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:00:57,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-06 23:00:57,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:57,637 INFO L225 Difference]: With dead ends: 114 [2023-11-06 23:00:57,637 INFO L226 Difference]: Without dead ends: 65 [2023-11-06 23:00:57,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:00:57,639 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 14 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:57,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 177 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 23:00:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-06 23:00:57,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2023-11-06 23:00:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 54 states have internal predecessors, (58), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:00:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2023-11-06 23:00:57,652 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 14 [2023-11-06 23:00:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:57,653 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2023-11-06 23:00:57,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:00:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2023-11-06 23:00:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 23:00:57,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:57,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:57,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:57,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:57,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:00:57,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:57,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1671648588, now seen corresponding path program 1 times [2023-11-06 23:00:57,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:00:57,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965707079] [2023-11-06 23:00:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:57,870 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 [2023-11-06 23:00:57,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:00:57,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:00:57,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:58,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:00:58,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:58,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:58,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:00:58,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965707079] [2023-11-06 23:00:58,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965707079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:58,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:58,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:00:58,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603505628] [2023-11-06 23:00:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:58,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:00:58,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:00:58,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:00:58,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:58,043 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:00:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:58,086 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2023-11-06 23:00:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:00:58,087 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 [2023-11-06 23:00:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:58,092 INFO L225 Difference]: With dead ends: 109 [2023-11-06 23:00:58,093 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 23:00:58,093 INFO L412 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 [2023-11-06 23:00:58,097 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 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 [2023-11-06 23:00:58,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:00:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 23:00:58,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-06 23:00:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 55 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:00:58,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2023-11-06 23:00:58,126 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 15 [2023-11-06 23:00:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:58,127 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2023-11-06 23:00:58,127 INFO L496 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) [2023-11-06 23:00:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2023-11-06 23:00:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-06 23:00:58,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:58,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:58,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:58,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:00:58,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:00:58,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash 281373761, now seen corresponding path program 1 times [2023-11-06 23:00:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:00:58,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820849433] [2023-11-06 23:00:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:58,345 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 [2023-11-06 23:00:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:00:58,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:00:58,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:02:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:31,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:02:31,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:31,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:31,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:02:31,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820849433] [2023-11-06 23:02:31,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820849433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:31,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:31,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:31,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884529948] [2023-11-06 23:02:31,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:31,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:02:31,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:02:31,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:02:31,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:31,924 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:34,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:36,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:38,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:38,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:38,839 INFO L93 Difference]: Finished difference Result 109 states and 129 transitions. [2023-11-06 23:02:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:02:38,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-06 23:02:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:38,843 INFO L225 Difference]: With dead ends: 109 [2023-11-06 23:02:38,843 INFO L226 Difference]: Without dead ends: 67 [2023-11-06 23:02:38,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:02:38,845 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:38,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 181 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-06 23:02:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-06 23:02:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2023-11-06 23:02:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 56 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:02:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2023-11-06 23:02:38,857 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 16 [2023-11-06 23:02:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:38,857 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2023-11-06 23:02:38,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-06 23:02:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 23:02:38,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:38,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:38,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:02:39,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:02:39,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:02:39,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash 132652078, now seen corresponding path program 1 times [2023-11-06 23:02:39,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:39,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892037872] [2023-11-06 23:02:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:39,077 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 [2023-11-06 23:02:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:39,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:02:39,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:04:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:13,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:04:13,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:14,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:14,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:04:14,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892037872] [2023-11-06 23:04:14,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892037872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:14,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:14,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:04:14,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824824796] [2023-11-06 23:04:14,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:14,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:04:14,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:04:14,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:04:14,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:04:14,167 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2023-11-06 23:04:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:15,026 INFO L93 Difference]: Finished difference Result 65 states and 77 transitions. [2023-11-06 23:04:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:04:15,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 [2023-11-06 23:04:15,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:15,028 INFO L225 Difference]: With dead ends: 65 [2023-11-06 23:04:15,028 INFO L226 Difference]: Without dead ends: 64 [2023-11-06 23:04:15,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:04:15,030 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 8 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:15,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 181 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:04:15,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-06 23:04:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-11-06 23:04:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 55 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:04:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2023-11-06 23:04:15,038 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 17 [2023-11-06 23:04:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:15,039 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2023-11-06 23:04:15,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2023-11-06 23:04:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2023-11-06 23:04:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 23:04:15,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:15,041 INFO L195 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] [2023-11-06 23:04:15,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:15,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:04:15,242 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:04:15,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:15,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1530885373, now seen corresponding path program 1 times [2023-11-06 23:04:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636423894] [2023-11-06 23:04:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:15,243 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 [2023-11-06 23:04:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:15,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:04:15,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 23:04:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:15,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:04:15,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:04:15,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:15,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:04:15,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636423894] [2023-11-06 23:04:15,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636423894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:15,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:15,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:04:15,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772829657] [2023-11-06 23:04:15,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:15,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:04:15,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:04:15,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:04:15,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:04:15,401 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:04:17,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:19,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:20,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:20,090 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2023-11-06 23:04:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:04:20,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-06 23:04:20,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:20,091 INFO L225 Difference]: With dead ends: 100 [2023-11-06 23:04:20,092 INFO L226 Difference]: Without dead ends: 68 [2023-11-06 23:04:20,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:04:20,093 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 14 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:20,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 168 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-06 23:04:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-06 23:04:20,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2023-11-06 23:04:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 56 states have internal predecessors, (61), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:04:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-11-06 23:04:20,105 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 26 [2023-11-06 23:04:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:20,105 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-06 23:04:20,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:04:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2023-11-06 23:04:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-06 23:04:20,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:20,107 INFO L195 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] [2023-11-06 23:04:20,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:20,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:04:20,320 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:04:20,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash 212810453, now seen corresponding path program 1 times [2023-11-06 23:04:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:20,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629447881] [2023-11-06 23:04:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:20,321 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 [2023-11-06 23:04:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:20,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:04:20,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 23:04:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:20,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:04:20,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:04:20,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:20,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:04:20,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629447881] [2023-11-06 23:04:20,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629447881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:20,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:20,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:04:20,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566588340] [2023-11-06 23:04:20,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:20,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:04:20,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:04:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:04:20,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:04:20,496 INFO L87 Difference]: Start difference. First operand 65 states and 77 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, (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) [2023-11-06 23:04:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:20,521 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2023-11-06 23:04:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:04:20,522 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, (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 27 [2023-11-06 23:04:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:20,523 INFO L225 Difference]: With dead ends: 91 [2023-11-06 23:04:20,523 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 23:04:20,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:04:20,524 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 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 [2023-11-06 23:04:20,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:04:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 23:04:20,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-06 23:04:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.24) internal successors, (62), 57 states have internal predecessors, (62), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:04:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2023-11-06 23:04:20,536 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 27 [2023-11-06 23:04:20,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:20,536 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2023-11-06 23:04:20,536 INFO L496 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, (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) [2023-11-06 23:04:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2023-11-06 23:04:20,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 23:04:20,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:20,538 INFO L195 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] [2023-11-06 23:04:20,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-06 23:04:20,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:04:20,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-06 23:04:20,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1992935425, now seen corresponding path program 1 times [2023-11-06 23:04:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232286528] [2023-11-06 23:04:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:20,753 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 [2023-11-06 23:04:20,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:20,754 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:04:20,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759829f7-85d4-4758-a685-2d67bbdc7405/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process