./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5 --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 39d9e7a5797e063de671344151c7ceb8c1858d811138fab50b8f65d852f8c7fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:00:52,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:00:52,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-21 19:00:52,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:00:52,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:00:52,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:00:52,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:00:52,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:00:52,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:00:52,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:00:52,281 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:00:52,282 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:00:52,282 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:00:52,284 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:00:52,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:00:52,285 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:00:52,286 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:00:52,286 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:00:52,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:00:52,287 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:00:52,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:00:52,288 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:00:52,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:00:52,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:00:52,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:00:52,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:00:52,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:00:52,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:00:52,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:00:52,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:00:52,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:00:52,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:00:52,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:00:52,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:00:52,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:00:52,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:00:52,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:00:52,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:00:52,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:00:52,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:00:52,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:00:52,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:00:52,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:00:52,297 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:00:52,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:00:52,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:00:52,298 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_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39d9e7a5797e063de671344151c7ceb8c1858d811138fab50b8f65d852f8c7fb [2023-11-21 19:00:52,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:00:52,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:00:52,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:00:52,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:00:52,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:00:52,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i [2023-11-21 19:00:55,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:00:56,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:00:56,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i [2023-11-21 19:00:56,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/e5818e0c4/57a49208e6134c9889f0f36b871f4756/FLAG12556cda7 [2023-11-21 19:00:56,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/e5818e0c4/57a49208e6134c9889f0f36b871f4756 [2023-11-21 19:00:56,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:00:56,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:00:56,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:00:56,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:00:56,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:00:56,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:00:56" (1/1) ... [2023-11-21 19:00:56,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a6fb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:56, skipping insertion in model container [2023-11-21 19:00:56,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:00:56" (1/1) ... [2023-11-21 19:00:56,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:00:57,060 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:00:58,365 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) [2023-11-21 19:00:58,371 INFO L158 Benchmark]: Toolchain (without parser) took 2008.04ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 116.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 19:00:58,372 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:00:58,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2003.59ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 116.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 19:00:58,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2003.59ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 116.6MB in the end (delta: 24.7MB). 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_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5 --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 39d9e7a5797e063de671344151c7ceb8c1858d811138fab50b8f65d852f8c7fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:01:00,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:01:01,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-21 19:01:01,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:01:01,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:01:01,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:01:01,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:01:01,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:01:01,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:01:01,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:01:01,117 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:01:01,118 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:01:01,118 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:01:01,119 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:01:01,119 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:01:01,120 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:01:01,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:01:01,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:01:01,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:01:01,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:01:01,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:01:01,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:01:01,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:01:01,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:01:01,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:01:01,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:01:01,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:01:01,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:01:01,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:01:01,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:01:01,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:01:01,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:01:01,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:01:01,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:01:01,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:01:01,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:01:01,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:01:01,135 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:01:01,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:01:01,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:01:01,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:01:01,137 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:01:01,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:01:01,137 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_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39d9e7a5797e063de671344151c7ceb8c1858d811138fab50b8f65d852f8c7fb [2023-11-21 19:01:01,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:01:01,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:01:01,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:01:01,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:01:01,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:01:01,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i [2023-11-21 19:01:04,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:01:05,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:01:05,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_10_good.i [2023-11-21 19:01:05,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/a9036e67f/cbcaeacf70ca4633aafe6fb76e17c498/FLAG3c070ac07 [2023-11-21 19:01:05,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/data/a9036e67f/cbcaeacf70ca4633aafe6fb76e17c498 [2023-11-21 19:01:05,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:01:05,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:01:05,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:01:05,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:01:05,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:01:05,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:01:05" (1/1) ... [2023-11-21 19:01:05,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc904e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:05, skipping insertion in model container [2023-11-21 19:01:05,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:01:05" (1/1) ... [2023-11-21 19:01:05,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:01:06,134 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:01:07,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:01:07,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:01:07,316 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:01:07,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:01:07,857 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:01:07,858 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:01:07,858 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:01:07,858 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:01:07,858 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:01:07,866 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:01:07,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07 WrapperNode [2023-11-21 19:01:07,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:01:07,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:01:07,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:01:07,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:01:07,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:07,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:07,998 INFO L138 Inliner]: procedures = 946, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2023-11-21 19:01:07,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:01:08,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:01:08,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:01:08,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:01:08,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:01:08,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:01:08,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:01:08,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:01:08,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (1/1) ... [2023-11-21 19:01:08,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:01:08,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:01:08,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:01:08,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:01:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 19:01:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 19:01:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:01:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:01:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:01:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:01:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 19:01:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 19:01:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 19:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 19:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 19:01:08,376 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:01:08,383 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:01:14,742 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:01:14,862 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:01:14,865 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:01:14,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:01:14 BoogieIcfgContainer [2023-11-21 19:01:14,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:01:14,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:01:14,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:01:14,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:01:14,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:01:05" (1/3) ... [2023-11-21 19:01:14,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:01:14, skipping insertion in model container [2023-11-21 19:01:14,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:01:07" (2/3) ... [2023-11-21 19:01:14,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:01:14, skipping insertion in model container [2023-11-21 19:01:14,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:01:14" (3/3) ... [2023-11-21 19:01:14,879 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_10_good.i [2023-11-21 19:01:14,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:01:14,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-21 19:01:14,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:01:14,957 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;@1049b54a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:01:14,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-21 19:01:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.59375) internal successors, (51), 46 states have internal predecessors, (51), 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) [2023-11-21 19:01:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 19:01:14,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:01:14,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:01:14,973 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)] === [2023-11-21 19:01:14,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:01:14,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1270676354, now seen corresponding path program 1 times [2023-11-21 19:01:14,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:01:14,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739171108] [2023-11-21 19:01:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:01:14,993 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 [2023-11-21 19:01:14,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:01:14,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 19:01:15,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:01:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:01:15,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 19:01:15,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:01:15,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 19:01:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:01:15,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:01:15,365 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:01:15,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739171108] [2023-11-21 19:01:15,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739171108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:01:15,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:01:15,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:01:15,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982471182] [2023-11-21 19:01:15,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:01:15,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:01:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:01:15,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:01:15,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:01:15,414 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.59375) internal successors, (51), 46 states have internal predecessors, (51), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:01:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:01:15,803 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2023-11-21 19:01:15,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:01:15,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-21 19:01:15,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:01:15,814 INFO L225 Difference]: With dead ends: 56 [2023-11-21 19:01:15,814 INFO L226 Difference]: Without dead ends: 49 [2023-11-21 19:01:15,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:01:15,821 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 19:01:15,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 166 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 19:01:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-21 19:01:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2023-11-21 19:01:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 41 states have internal predecessors, (45), 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) [2023-11-21 19:01:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2023-11-21 19:01:15,863 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 8 [2023-11-21 19:01:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:01:15,864 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2023-11-21 19:01:15,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:01:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-21 19:01:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 19:01:15,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:01:15,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:01:15,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:01:16,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:01:16,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-21 19:01:16,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:01:16,073 INFO L85 PathProgramCache]: Analyzing trace with hash -736257211, now seen corresponding path program 1 times [2023-11-21 19:01:16,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:01:16,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267090089] [2023-11-21 19:01:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:01:16,074 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 [2023-11-21 19:01:16,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:01:16,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 19:01:16,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:01:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:01:16,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 19:01:16,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:01:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:01:16,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:01:16,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:01:16,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267090089] [2023-11-21 19:01:16,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267090089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:01:16,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:01:16,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:01:16,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205950073] [2023-11-21 19:01:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:01:16,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:01:16,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:01:16,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:01:16,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:01:16,255 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-21 19:01:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:01:16,422 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2023-11-21 19:01:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:01:16,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-21 19:01:16,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:01:16,424 INFO L225 Difference]: With dead ends: 88 [2023-11-21 19:01:16,424 INFO L226 Difference]: Without dead ends: 49 [2023-11-21 19:01:16,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:01:16,426 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:01:16,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 19:01:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-21 19:01:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-21 19:01:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 42 states have internal predecessors, (46), 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) [2023-11-21 19:01:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2023-11-21 19:01:16,436 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 9 [2023-11-21 19:01:16,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:01:16,436 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2023-11-21 19:01:16,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-21 19:01:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-11-21 19:01:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 19:01:16,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:01:16,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:01:16,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:01:16,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:01:16,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-21 19:01:16,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:01:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1349261984, now seen corresponding path program 1 times [2023-11-21 19:01:16,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:01:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309898634] [2023-11-21 19:01:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:01:16,646 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 [2023-11-21 19:01:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:01:16,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 19:01:16,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33aff86-6e78-4dc3-853e-f1faf1ccdfec/bin/utaipan-verify-QoSU8krkJ5/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