./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c61e6c84b41e7874057b0510043bedc320bb763db2e3212fdb8fba8570f0932 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:20,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:20,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:29:20,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:20,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:20,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:20,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:20,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:20,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:20,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:20,967 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:20,969 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:20,969 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:20,971 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:20,972 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:20,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:20,973 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:20,973 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:20,974 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:20,975 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:20,975 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:20,976 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:20,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:20,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:20,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:20,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:20,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:20,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:20,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:20,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:29:20,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:29:20,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:20,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:20,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:20,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:20,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:20,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:20,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:20,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:20,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:20,986 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:20,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:20,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:20,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:20,988 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:20,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:20,988 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c61e6c84b41e7874057b0510043bedc320bb763db2e3212fdb8fba8570f0932 [2023-11-23 21:29:21,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:21,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:21,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:21,372 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:21,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:21,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i [2023-11-23 21:29:24,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:25,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:25,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i [2023-11-23 21:29:25,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/bc6417cdb/f9fd68abc3994ef39843b4c342cedf65/FLAG21154e03b [2023-11-23 21:29:25,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/bc6417cdb/f9fd68abc3994ef39843b4c342cedf65 [2023-11-23 21:29:25,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:25,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:25,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:25,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:25,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:25,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240c6fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:25, skipping insertion in model container [2023-11-23 21:29:25,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:25" (1/1) ... [2023-11-23 21:29:25,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:26,058 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:29:27,471 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:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 21:29:27,485 INFO L158 Benchmark]: Toolchain (without parser) took 2133.75ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 127.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:27,485 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:27,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2130.83ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 127.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:27,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2130.83ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 127.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. 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_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c61e6c84b41e7874057b0510043bedc320bb763db2e3212fdb8fba8570f0932 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:29,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:29,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:29:29,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:29,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:30,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:30,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:30,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:30,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:30,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:30,056 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:30,056 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:30,057 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:30,058 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:30,059 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:30,059 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:30,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:30,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:30,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:30,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:30,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:30,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:30,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:29:30,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:29:30,064 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:29:30,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:29:30,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:29:30,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:30,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:30,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:30,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:29:30,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:30,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:30,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:30,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:30,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:30,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:30,070 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:29:30,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:30,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:30,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:30,071 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:30,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:30,072 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c61e6c84b41e7874057b0510043bedc320bb763db2e3212fdb8fba8570f0932 [2023-11-23 21:29:30,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:30,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:30,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:30,505 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:30,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:30,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i [2023-11-23 21:29:33,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:34,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:34,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_07_good.i [2023-11-23 21:29:34,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/81cbbf294/f5e22832f8084dd59c9a19250b728919/FLAGb9b8aa0bd [2023-11-23 21:29:34,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/data/81cbbf294/f5e22832f8084dd59c9a19250b728919 [2023-11-23 21:29:34,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:34,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:34,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:34,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:34,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:34,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:34" (1/1) ... [2023-11-23 21:29:34,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2722d3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:34, skipping insertion in model container [2023-11-23 21:29:34,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:34" (1/1) ... [2023-11-23 21:29:34,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:34,877 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:29:36,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:36,556 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:36,582 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:29:36,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:36,995 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:36,995 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:36,996 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:36,997 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:37,000 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:37,007 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:37,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37 WrapperNode [2023-11-23 21:29:37,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:37,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:37,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:37,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:37,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,122 INFO L138 Inliner]: procedures = 946, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-23 21:29:37,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:37,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:37,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:37,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:37,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:37,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:37,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:37,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:37,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:37,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:37,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:29:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:29:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:29:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:29:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:29:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:37,611 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:37,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:49,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:50,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:50,031 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:29:50,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50 BoogieIcfgContainer [2023-11-23 21:29:50,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:50,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:50,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:50,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:50,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:34" (1/3) ... [2023-11-23 21:29:50,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad61517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (2/3) ... [2023-11-23 21:29:50,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad61517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50" (3/3) ... [2023-11-23 21:29:50,047 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_07_good.i [2023-11-23 21:29:50,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:50,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-23 21:29:50,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:50,149 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@161bd5ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:50,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-23 21:29:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 51 states have internal predecessors, (60), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:29:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:29:50,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:50,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:50,168 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)] === [2023-11-23 21:29:50,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:50,178 INFO L85 PathProgramCache]: Analyzing trace with hash 286283600, now seen corresponding path program 1 times [2023-11-23 21:29:50,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:50,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408291932] [2023-11-23 21:29:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:50,197 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 [2023-11-23 21:29:50,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:50,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:50,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:50,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:50,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:50,427 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:50,428 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408291932] [2023-11-23 21:29:50,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408291932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:50,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:50,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:50,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786895911] [2023-11-23 21:29:50,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:50,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:50,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:50,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:50,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:50,478 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 51 states have internal predecessors, (60), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-23 21:29:53,790 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 [] [2023-11-23 21:29:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:53,840 INFO L93 Difference]: Finished difference Result 117 states and 155 transitions. [2023-11-23 21:29:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:53,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2023-11-23 21:29:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:53,857 INFO L225 Difference]: With dead ends: 117 [2023-11-23 21:29:53,858 INFO L226 Difference]: Without dead ends: 64 [2023-11-23 21:29:53,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:53,867 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 7 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:53,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 140 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 21:29:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-23 21:29:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2023-11-23 21:29:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 40 states have (on average 1.6) internal successors, (64), 53 states have internal predecessors, (64), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:29:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 80 transitions. [2023-11-23 21:29:53,935 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 80 transitions. Word has length 11 [2023-11-23 21:29:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:53,936 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 80 transitions. [2023-11-23 21:29:53,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-23 21:29:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-23 21:29:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:29:53,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:53,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:53,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 21:29:54,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:54,140 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)] === [2023-11-23 21:29:54,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:54,141 INFO L85 PathProgramCache]: Analyzing trace with hash 286343182, now seen corresponding path program 1 times [2023-11-23 21:29:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422649805] [2023-11-23 21:29:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:54,143 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 [2023-11-23 21:29:54,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:54,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:54,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:54,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:54,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:54,333 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:54,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422649805] [2023-11-23 21:29:54,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422649805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:54,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:54,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:54,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527504234] [2023-11-23 21:29:54,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:54,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:54,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:54,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:54,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:54,338 INFO L87 Difference]: Start difference. First operand 60 states and 80 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-23 21:29:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:54,442 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2023-11-23 21:29:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:54,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2023-11-23 21:29:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:54,445 INFO L225 Difference]: With dead ends: 112 [2023-11-23 21:29:54,445 INFO L226 Difference]: Without dead ends: 48 [2023-11-23 21:29:54,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:54,448 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 15 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:54,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 107 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-23 21:29:54,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-23 21:29:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:29:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-11-23 21:29:54,461 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 11 [2023-11-23 21:29:54,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:54,461 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-11-23 21:29:54,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-23 21:29:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-23 21:29:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 21:29:54,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:54,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:54,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:29:54,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:54,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:54,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:54,670 INFO L85 PathProgramCache]: Analyzing trace with hash 240759796, now seen corresponding path program 1 times [2023-11-23 21:29:54,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:54,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344906333] [2023-11-23 21:29:54,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:54,671 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 [2023-11-23 21:29:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:54,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:54,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:54,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:54,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:54,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:54,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:54,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344906333] [2023-11-23 21:29:54,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344906333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:54,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:54,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:54,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651527448] [2023-11-23 21:29:54,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:54,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:54,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:54,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:54,882 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-23 21:29:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:55,028 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2023-11-23 21:29:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 13 [2023-11-23 21:29:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:55,031 INFO L225 Difference]: With dead ends: 89 [2023-11-23 21:29:55,031 INFO L226 Difference]: Without dead ends: 48 [2023-11-23 21:29:55,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:55,034 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 8 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:55,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 128 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:55,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-23 21:29:55,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-23 21:29:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.303030303030303) internal successors, (43), 41 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:29:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-11-23 21:29:55,044 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 13 [2023-11-23 21:29:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:55,044 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-23 21:29:55,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-23 21:29:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-23 21:29:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:29:55,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:55,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:55,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:55,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:55,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:55,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:55,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1130255659, now seen corresponding path program 1 times [2023-11-23 21:29:55,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:55,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475626177] [2023-11-23 21:29:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:55,254 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 [2023-11-23 21:29:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:55,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:55,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:55,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:55,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:55,497 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475626177] [2023-11-23 21:29:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475626177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:55,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:55,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194925270] [2023-11-23 21:29:55,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:55,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:55,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:55,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:55,500 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.0) 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) [2023-11-23 21:29:55,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:55,571 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2023-11-23 21:29:55,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:55,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) 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 [2023-11-23 21:29:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:55,573 INFO L225 Difference]: With dead ends: 48 [2023-11-23 21:29:55,573 INFO L226 Difference]: Without dead ends: 45 [2023-11-23 21:29:55,574 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 [2023-11-23 21:29:55,575 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:55,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 127 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-23 21:29:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-23 21:29:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:29:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2023-11-23 21:29:55,585 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 14 [2023-11-23 21:29:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:55,585 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2023-11-23 21:29:55,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) 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) [2023-11-23 21:29:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-23 21:29:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:29:55,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:55,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:55,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:55,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:55,794 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:55,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:55,794 INFO L85 PathProgramCache]: Analyzing trace with hash 117792200, now seen corresponding path program 1 times [2023-11-23 21:29:55,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:55,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343738954] [2023-11-23 21:29:55,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:55,795 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 [2023-11-23 21:29:55,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:55,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:55,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:55,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:29:55,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:55,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:55,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343738954] [2023-11-23 21:29:55,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343738954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:55,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:55,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542770786] [2023-11-23 21:29:55,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:55,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:55,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:55,945 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:56,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:56,107 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2023-11-23 21:29:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:56,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-23 21:29:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:56,109 INFO L225 Difference]: With dead ends: 63 [2023-11-23 21:29:56,109 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:29:56,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:56,111 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:56,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 68 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:29:56,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:29:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 21:29:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.2) internal successors, (36), 34 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:29:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-11-23 21:29:56,119 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 22 [2023-11-23 21:29:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:56,120 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-11-23 21:29:56,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-23 21:29:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:29:56,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:56,122 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] [2023-11-23 21:29:56,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:56,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:56,326 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:56,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1529282636, now seen corresponding path program 1 times [2023-11-23 21:29:56,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:56,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958130501] [2023-11-23 21:29:56,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:56,328 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 [2023-11-23 21:29:56,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:56,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:56,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:56,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:56,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:29:56,494 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:56,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:56,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958130501] [2023-11-23 21:29:56,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958130501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:56,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:56,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:56,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730713538] [2023-11-23 21:29:56,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:56,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:56,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:56,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:56,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:56,497 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-23 21:29:56,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:56,627 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2023-11-23 21:29:56,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:56,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2023-11-23 21:29:56,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:56,629 INFO L225 Difference]: With dead ends: 68 [2023-11-23 21:29:56,629 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:29:56,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:56,631 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:56,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 98 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:29:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 21:29:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:29:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2023-11-23 21:29:56,639 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 24 [2023-11-23 21:29:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:56,639 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2023-11-23 21:29:56,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-23 21:29:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-11-23 21:29:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:29:56,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:56,641 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] [2023-11-23 21:29:56,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:56,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:56,847 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:56,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash 159246748, now seen corresponding path program 1 times [2023-11-23 21:29:56,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:56,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893879] [2023-11-23 21:29:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:56,849 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 [2023-11-23 21:29:56,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:56,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:56,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:57,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:57,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:29:57,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:57,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:57,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893879] [2023-11-23 21:29:57,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:57,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:57,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272433338] [2023-11-23 21:29:57,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:57,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:57,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:57,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:57,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:57,085 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-23 21:29:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:57,144 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2023-11-23 21:29:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:57,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2023-11-23 21:29:57,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:57,146 INFO L225 Difference]: With dead ends: 41 [2023-11-23 21:29:57,146 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:29:57,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:57,148 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:57,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:29:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:29:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:29:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2023-11-23 21:29:57,155 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 25 [2023-11-23 21:29:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:57,156 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2023-11-23 21:29:57,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-23 21:29:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2023-11-23 21:29:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:29:57,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:57,158 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:57,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:57,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:57,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:57,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:57,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2059101751, now seen corresponding path program 1 times [2023-11-23 21:29:57,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:57,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381914504] [2023-11-23 21:29:57,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:57,366 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 [2023-11-23 21:29:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:57,368 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:57,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:57,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 21:29:57,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:57,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:57,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381914504] [2023-11-23 21:29:57,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381914504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:57,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:57,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:57,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974703949] [2023-11-23 21:29:57,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:57,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:57,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:57,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:57,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:57,527 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:29:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:57,645 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2023-11-23 21:29:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:57,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-23 21:29:57,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:57,647 INFO L225 Difference]: With dead ends: 38 [2023-11-23 21:29:57,647 INFO L226 Difference]: Without dead ends: 36 [2023-11-23 21:29:57,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:57,648 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:57,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 62 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-23 21:29:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-23 21:29:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:29:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2023-11-23 21:29:57,655 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 32 [2023-11-23 21:29:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2023-11-23 21:29:57,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:29:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2023-11-23 21:29:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 21:29:57,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:57,657 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:57,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:57,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:57,863 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-23 21:29:57,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:57,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2138499772, now seen corresponding path program 1 times [2023-11-23 21:29:57,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:57,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664839057] [2023-11-23 21:29:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:57,864 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 [2023-11-23 21:29:57,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:57,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:29:57,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 21:29:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:58,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:58,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 21:29:58,055 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:58,055 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:58,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664839057] [2023-11-23 21:29:58,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664839057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:58,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:58,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:58,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632360702] [2023-11-23 21:29:58,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:58,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:58,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:58,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:58,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:58,058 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:29:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:58,129 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2023-11-23 21:29:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:58,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-11-23 21:29:58,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:58,134 INFO L225 Difference]: With dead ends: 36 [2023-11-23 21:29:58,135 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:29:58,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:58,136 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:58,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:29:58,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:29:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:29:58,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-23 21:29:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:58,138 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:29:58,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:29:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:29:58,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:29:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-23 21:29:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-23 21:29:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-23 21:29:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-23 21:29:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-23 21:29:58,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-23 21:29:58,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:29:58,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:29:58,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 21:29:58,409 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:29:58,410 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-23 21:29:58,410 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:29:58,410 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 21:29:58,410 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 21:29:58,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1868) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L895 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (not (= ~staticFive~0 (_ bv5 32))) [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point L1910(line 1910) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point L1910-1(line 1910) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L902 garLoopResultBuilder]: At program point L1927(line 1927) the Hoare annotation is: true [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point L1894(line 1894) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point L1927-1(line 1927) no Hoare annotation was computed. [2023-11-23 21:29:58,411 INFO L899 garLoopResultBuilder]: For program point L1894-1(line 1894) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1847) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L902 garLoopResultBuilder]: At program point L1911(line 1911) the Hoare annotation is: true [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1911-1(line 1911) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1903(lines 1903 1906) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1870(line 1870) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1840) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1870-1(line 1870) no Hoare annotation was computed. [2023-11-23 21:29:58,412 INFO L899 garLoopResultBuilder]: For program point L1903-2(lines 1900 1914) no Hoare annotation was computed. [2023-11-23 21:29:58,413 INFO L899 garLoopResultBuilder]: For program point L1837-2(lines 1834 1857) no Hoare annotation was computed. [2023-11-23 21:29:58,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1910) no Hoare annotation was computed. [2023-11-23 21:29:58,413 INFO L895 garLoopResultBuilder]: At program point L1895(line 1895) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-23 21:29:58,413 INFO L899 garLoopResultBuilder]: For program point L1862(lines 1862 1865) no Hoare annotation was computed. [2023-11-23 21:29:58,413 INFO L899 garLoopResultBuilder]: For program point L1895-1(line 1895) no Hoare annotation was computed. [2023-11-23 21:29:58,413 INFO L899 garLoopResultBuilder]: For program point L1862-2(lines 1859 1878) no Hoare annotation was computed. [2023-11-23 21:29:58,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1849) no Hoare annotation was computed. [2023-11-23 21:29:58,414 INFO L895 garLoopResultBuilder]: At program point L1854(line 1854) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-23 21:29:58,414 INFO L899 garLoopResultBuilder]: For program point L1854-1(lines 1833 1857) no Hoare annotation was computed. [2023-11-23 21:29:58,414 INFO L899 garLoopResultBuilder]: For program point L1879(lines 1879 1898) no Hoare annotation was computed. [2023-11-23 21:29:58,414 INFO L895 garLoopResultBuilder]: At program point L1871(line 1871) the Hoare annotation is: false [2023-11-23 21:29:58,414 INFO L899 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2023-11-23 21:29:58,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1910) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1847(line 1847) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1847-1(line 1847) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1847-3(lines 1847 1855) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1870) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1849(line 1849) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1849-1(line 1849) no Hoare annotation was computed. [2023-11-23 21:29:58,415 INFO L899 garLoopResultBuilder]: For program point L1899(lines 1899 1914) no Hoare annotation was computed. [2023-11-23 21:29:58,416 INFO L899 garLoopResultBuilder]: For program point L1858(lines 1858 1878) no Hoare annotation was computed. [2023-11-23 21:29:58,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:29:58,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1870) no Hoare annotation was computed. [2023-11-23 21:29:58,416 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 1890) no Hoare annotation was computed. [2023-11-23 21:29:58,416 INFO L895 garLoopResultBuilder]: At program point L1850(line 1850) the Hoare annotation is: false [2023-11-23 21:29:58,416 INFO L899 garLoopResultBuilder]: For program point L1883-1(lines 1880 1898) no Hoare annotation was computed. [2023-11-23 21:29:58,417 INFO L899 garLoopResultBuilder]: For program point L1850-1(line 1850) no Hoare annotation was computed. [2023-11-23 21:29:58,417 INFO L895 garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-23 21:29:58,417 INFO L902 garLoopResultBuilder]: At program point L1925(line 1925) the Hoare annotation is: true [2023-11-23 21:29:58,417 INFO L899 garLoopResultBuilder]: For program point L1925-1(line 1925) no Hoare annotation was computed. [2023-11-23 21:29:58,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1849) no Hoare annotation was computed. [2023-11-23 21:29:58,417 INFO L895 garLoopResultBuilder]: At program point L1843(line 1843) the Hoare annotation is: (not (= ~staticFive~0 (_ bv5 32))) [2023-11-23 21:29:58,417 INFO L899 garLoopResultBuilder]: For program point L1868(line 1868) no Hoare annotation was computed. [2023-11-23 21:29:58,418 INFO L899 garLoopResultBuilder]: For program point L1868-1(line 1868) no Hoare annotation was computed. [2023-11-23 21:29:58,418 INFO L899 garLoopResultBuilder]: For program point L1868-3(lines 1868 1876) no Hoare annotation was computed. [2023-11-23 21:29:58,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2023-11-23 21:29:58,421 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:58,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:58,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:58 BoogieIcfgContainer [2023-11-23 21:29:58,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:58,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:58,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:58,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:58,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50" (3/4) ... [2023-11-23 21:29:58,436 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:29:58,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 21:29:58,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 21:29:58,451 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-23 21:29:58,452 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 21:29:58,452 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:29:58,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:29:58,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:29:58,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:29:58,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:58,587 INFO L158 Benchmark]: Toolchain (without parser) took 24375.18ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 60.0MB in the beginning and 49.4MB in the end (delta: 10.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,588 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:58,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2795.01ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 59.9MB in the beginning and 89.5MB in the end (delta: -29.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.58ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 85.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,590 INFO L158 Benchmark]: Boogie Preprocessor took 84.83ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,590 INFO L158 Benchmark]: RCFGBuilder took 12823.38ms. Allocated memory is still 127.9MB. Free memory was 83.2MB in the beginning and 63.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,592 INFO L158 Benchmark]: TraceAbstraction took 8396.91ms. Allocated memory is still 127.9MB. Free memory was 63.3MB in the beginning and 55.7MB in the end (delta: 7.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,593 INFO L158 Benchmark]: Witness Printer took 154.02ms. Allocated memory is still 127.9MB. Free memory was 55.7MB in the beginning and 49.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:29:58,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2795.01ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 59.9MB in the beginning and 89.5MB in the end (delta: -29.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.58ms. Allocated memory is still 127.9MB. Free memory was 89.5MB in the beginning and 85.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.83ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12823.38ms. Allocated memory is still 127.9MB. Free memory was 83.2MB in the beginning and 63.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8396.91ms. Allocated memory is still 127.9MB. Free memory was 63.3MB in the beginning and 55.7MB in the end (delta: 7.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 154.02ms. Allocated memory is still 127.9MB. Free memory was 55.7MB in the beginning and 49.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1870]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1870]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1910]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1910]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 890 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 486 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 404 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 39 PreInvPairs, 45 NumberOfFragments, 24 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 6 NumberOfNonLiveVariables, 596 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:29:58,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870e2a3-805a-4310-ba2c-86cb4ad4acd1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE