./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_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_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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_af61eddc-e946-4371-9151-4ef59421bd94/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 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:59:48,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:59:48,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-21 18:59:48,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:59:48,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:59:48,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:59:48,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:59:48,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:59:48,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:59:48,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:59:48,728 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:59:48,729 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:59:48,729 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:59:48,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 18:59:48,730 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:59:48,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:59:48,732 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 18:59:48,732 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 18:59:48,733 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:59:48,734 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 18:59:48,734 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 18:59:48,735 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 18:59:48,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:59:48,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:59:48,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:59:48,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:59:48,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:59:48,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:59:48,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:59:48,740 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:59:48,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:59:48,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:59:48,741 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:59:48,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:59:48,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:59:48,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:59:48,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:59:48,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:59:48,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:59:48,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:59:48,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 18:59:48,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:59:48,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:59:48,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:59:48,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:59:48,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:59:48,766 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_af61eddc-e946-4371-9151-4ef59421bd94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b [2023-11-21 18:59:49,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:59:49,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:59:49,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:59:49,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:59:49,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:59:49,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2023-11-21 18:59:52,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:59:52,529 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:59:52,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2023-11-21 18:59:52,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/0ae3abee1/5ff0d9ca74f54b95af43a71046c60600/FLAGbd47128a3 [2023-11-21 18:59:52,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/0ae3abee1/5ff0d9ca74f54b95af43a71046c60600 [2023-11-21 18:59:52,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:59:52,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:59:52,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:59:52,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:59:52,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:59:52,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:52" (1/1) ... [2023-11-21 18:59:52,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158834c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:52, skipping insertion in model container [2023-11-21 18:59:52,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:52" (1/1) ... [2023-11-21 18:59:52,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:59:53,265 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:59:54,561 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.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 18:59:54,573 INFO L158 Benchmark]: Toolchain (without parser) took 1971.76ms. Allocated memory is still 174.1MB. Free memory was 107.4MB in the beginning and 83.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:59:54,574 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:59:54,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1966.73ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 83.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:59:54,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1966.73ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 83.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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_af61eddc-e946-4371-9151-4ef59421bd94/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 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:59:57,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:59:57,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-21 18:59:57,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:59:57,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:59:57,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:59:57,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:59:57,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:59:57,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:59:57,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:59:57,373 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:59:57,374 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:59:57,374 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:59:57,375 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:59:57,375 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:59:57,376 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:59:57,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:59:57,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:59:57,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:59:57,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:59:57,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:59:57,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:59:57,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:59:57,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:59:57,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:59:57,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:59:57,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:59:57,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:59:57,383 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:59:57,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:59:57,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:59:57,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:59:57,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:59:57,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:59:57,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:59:57,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:59:57,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:59:57,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:59:57,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:59:57,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:59:57,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:59:57,388 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:59:57,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:59:57,388 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_af61eddc-e946-4371-9151-4ef59421bd94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a9be924a7ad981abe2f6ebe99e68d778d47202cde3aaaf16730597e09a744b [2023-11-21 18:59:57,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:59:57,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:59:57,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:59:57,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:59:57,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:59:57,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2023-11-21 19:00:01,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:00:01,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:00:01,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_good.i [2023-11-21 19:00:01,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/55b06cabf/4a5ff36c38d648e08f8aa714ba824460/FLAG6f0245184 [2023-11-21 19:00:01,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/data/55b06cabf/4a5ff36c38d648e08f8aa714ba824460 [2023-11-21 19:00:01,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:00:01,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:00:01,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:00:01,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:00:01,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:00:01,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:00:01" (1/1) ... [2023-11-21 19:00:01,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ddc64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:01, skipping insertion in model container [2023-11-21 19:00:01,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:00:01" (1/1) ... [2023-11-21 19:00:01,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:00:02,370 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:00:03,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:00:03,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:00:03,740 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:00:03,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:00:04,382 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,383 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,383 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,384 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,384 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,384 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:00:04,392 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:00:04,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04 WrapperNode [2023-11-21 19:00:04,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:00:04,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:00:04,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:00:04,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:00:04,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,489 INFO L138 Inliner]: procedures = 947, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2023-11-21 19:00:04,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:00:04,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:00:04,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:00:04,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:00:04,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:00:04,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:00:04,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:00:04,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:00:04,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (1/1) ... [2023-11-21 19:00:04,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:00:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:00:04,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:00:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:00:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 19:00:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 19:00:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:00:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:00:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:00:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 19:00:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 19:00:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 19:00:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:00:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2023-11-21 19:00:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2023-11-21 19:00:04,856 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:00:04,859 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:00:09,818 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:00:09,928 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:00:09,929 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:00:09,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:00:09 BoogieIcfgContainer [2023-11-21 19:00:09,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:00:09,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:00:09,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:00:09,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:00:09,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:00:01" (1/3) ... [2023-11-21 19:00:09,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3c48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:00:09, skipping insertion in model container [2023-11-21 19:00:09,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:00:04" (2/3) ... [2023-11-21 19:00:09,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3c48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:00:09, skipping insertion in model container [2023-11-21 19:00:09,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:00:09" (3/3) ... [2023-11-21 19:00:09,953 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_44_good.i [2023-11-21 19:00:09,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:00:09,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-21 19:00:10,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:00:10,028 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;@c3acc60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:00:10,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-21 19:00:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 20 states have (on average 1.4) internal successors, (28), 26 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 19:00:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 19:00:10,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:10,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:10,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:10,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:10,049 INFO L85 PathProgramCache]: Analyzing trace with hash -735262164, now seen corresponding path program 1 times [2023-11-21 19:00:10,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:10,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599725426] [2023-11-21 19:00:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:10,065 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 19:00:10,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:10,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:10,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:00:10,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 19:00:10,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:00:10,381 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 19:00:10,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:00:10,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:00:10,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599725426] [2023-11-21 19:00:10,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599725426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:00:10,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:00:10,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:00:10,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681856941] [2023-11-21 19:00:10,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:00:10,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:00:10,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:00:10,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:00:10,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:00:10,429 INFO L87 Difference]: Start difference. First operand has 36 states, 20 states have (on average 1.4) internal successors, (28), 26 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:00:13,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:00:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:00:13,106 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2023-11-21 19:00:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:00:13,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 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 19:00:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:00:13,116 INFO L225 Difference]: With dead ends: 58 [2023-11-21 19:00:13,116 INFO L226 Difference]: Without dead ends: 44 [2023-11-21 19:00:13,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 19:00:13,123 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 39 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-21 19:00:13,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 158 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-21 19:00:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-21 19:00:13,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2023-11-21 19:00:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 32 states have internal predecessors, (38), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 19:00:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2023-11-21 19:00:13,160 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 9 [2023-11-21 19:00:13,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:00:13,162 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2023-11-21 19:00:13,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:00:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-21 19:00:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 19:00:13,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:13,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:13,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:13,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1318314308, now seen corresponding path program 1 times [2023-11-21 19:00:13,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:13,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315025515] [2023-11-21 19:00:13,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:13,369 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 19:00:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:13,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:00:13,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 19:00:13,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:00:13,535 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 19:00:13,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:00:13,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:00:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315025515] [2023-11-21 19:00:13,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315025515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:00:13,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:00:13,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 19:00:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543792001] [2023-11-21 19:00:13,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:00:13,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:00:13,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:00:13,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:00:13,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:00:13,540 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:00:13,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:00:13,620 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2023-11-21 19:00:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:00:13,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-21 19:00:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:00:13,622 INFO L225 Difference]: With dead ends: 63 [2023-11-21 19:00:13,623 INFO L226 Difference]: Without dead ends: 32 [2023-11-21 19:00:13,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:00:13,625 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:00:13,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 55 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:00:13,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-21 19:00:13,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-21 19:00:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.25) internal successors, (25), 24 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:00:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-11-21 19:00:13,633 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 10 [2023-11-21 19:00:13,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:00:13,634 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2023-11-21 19:00:13,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:00:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-11-21 19:00:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 19:00:13,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:13,635 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:13,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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)] Forceful destruction successful, exit code 0 [2023-11-21 19:00:13,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,839 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:13,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:13,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1055542232, now seen corresponding path program 1 times [2023-11-21 19:00:13,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:13,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139926022] [2023-11-21 19:00:13,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:13,841 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 19:00:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:13,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:13,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 [2023-11-21 19:00:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:00:14,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 19:00:14,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:00:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:00:14,072 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:00:14,072 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:00:14,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139926022] [2023-11-21 19:00:14,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139926022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:00:14,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:00:14,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 19:00:14,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088013326] [2023-11-21 19:00:14,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:00:14,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:00:14,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:00:14,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:00:14,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:00:14,075 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:00:14,130 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2023-11-21 19:00:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:00:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-21 19:00:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:00:14,132 INFO L225 Difference]: With dead ends: 32 [2023-11-21 19:00:14,132 INFO L226 Difference]: Without dead ends: 28 [2023-11-21 19:00:14,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:00:14,134 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 9 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:00:14,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 52 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:00:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-21 19:00:14,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-21 19:00:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:00:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-11-21 19:00:14,141 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 21 [2023-11-21 19:00:14,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:00:14,141 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2023-11-21 19:00:14,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-11-21 19:00:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 19:00:14,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:14,143 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:14,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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)] Forceful destruction successful, exit code 0 [2023-11-21 19:00:14,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:14,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:14,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:14,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1637952880, now seen corresponding path program 1 times [2023-11-21 19:00:14,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:14,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080823006] [2023-11-21 19:00:14,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:14,350 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 19:00:14,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:14,353 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:14,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 (5)] Waiting until timeout for monitored process [2023-11-21 19:00:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:00:14,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 19:00:14,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:00:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 19:00:14,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:00:14,543 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:00:14,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080823006] [2023-11-21 19:00:14,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080823006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:00:14,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:00:14,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:00:14,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396186022] [2023-11-21 19:00:14,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:00:14,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:00:14,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:00:14,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:00:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:00:14,547 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:16,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:00:18,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:00:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:00:18,758 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2023-11-21 19:00:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:00:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-21 19:00:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:00:18,763 INFO L225 Difference]: With dead ends: 29 [2023-11-21 19:00:18,763 INFO L226 Difference]: Without dead ends: 28 [2023-11-21 19:00:18,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:00:18,764 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:00:18,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 41 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-21 19:00:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-21 19:00:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2023-11-21 19:00:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:00:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-21 19:00:18,771 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 22 [2023-11-21 19:00:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:00:18,771 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-21 19:00:18,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-21 19:00:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 19:00:18,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:18,773 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:18,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 (5)] Forceful destruction successful, exit code 0 [2023-11-21 19:00:18,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:18,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:18,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:18,974 INFO L85 PathProgramCache]: Analyzing trace with hash 763072383, now seen corresponding path program 1 times [2023-11-21 19:00:18,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:18,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486002764] [2023-11-21 19:00:18,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:18,975 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 19:00:18,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:18,978 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:18,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 (6)] Waiting until timeout for monitored process [2023-11-21 19:00:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:00:19,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 19:00:19,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:00:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 19:00:19,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:00:19,181 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:00:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486002764] [2023-11-21 19:00:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486002764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:00:19,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:00:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:00:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059675668] [2023-11-21 19:00:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:00:19,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:00:19,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:00:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:00:19,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:00:19,183 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:00:19,235 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2023-11-21 19:00:19,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:00:19,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-11-21 19:00:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:00:19,240 INFO L225 Difference]: With dead ends: 32 [2023-11-21 19:00:19,240 INFO L226 Difference]: Without dead ends: 27 [2023-11-21 19:00:19,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 19:00:19,241 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:00:19,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:00:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-21 19:00:19,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-21 19:00:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 19 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:00:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2023-11-21 19:00:19,250 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2023-11-21 19:00:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:00:19,251 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2023-11-21 19:00:19,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 19:00:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2023-11-21 19:00:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 19:00:19,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:00:19,253 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:00:19,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 (6)] Forceful destruction successful, exit code 0 [2023-11-21 19:00:19,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:19,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-21 19:00:19,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:00:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2114684814, now seen corresponding path program 1 times [2023-11-21 19:00:19,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:00:19,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117898993] [2023-11-21 19:00:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:00:19,460 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 19:00:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:00:19,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 19:00:19,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af61eddc-e946-4371-9151-4ef59421bd94/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 (7)] Waiting until timeout for monitored process