./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX --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 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:13,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:13,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:50:13,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:13,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:13,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:13,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:13,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:13,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:13,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:13,640 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:13,640 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:13,641 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:13,642 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:13,642 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:13,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:13,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:13,644 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:13,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:13,646 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:13,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:13,647 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:13,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:13,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:13,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:13,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:13,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:13,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:13,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:13,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:13,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:13,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:13,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:13,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:13,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:13,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:13,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:13,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:13,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:13,672 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:13,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:13,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:13,674 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:13,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:13,675 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_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa [2023-11-12 00:50:13,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:14,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:14,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:14,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:14,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:14,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2023-11-12 00:50:17,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:17,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:17,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2023-11-12 00:50:17,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/bc9b0a52b/8869e27d236147ef93546306b67acea1/FLAG081540f6b [2023-11-12 00:50:17,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/bc9b0a52b/8869e27d236147ef93546306b67acea1 [2023-11-12 00:50:17,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:17,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:17,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:17,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:17,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:17,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:17" (1/1) ... [2023-11-12 00:50:17,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e440c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:17, skipping insertion in model container [2023-11-12 00:50:17,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:17" (1/1) ... [2023-11-12 00:50:17,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:18,267 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:19,520 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:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1472) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:945) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:608) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:50:19,530 INFO L158 Benchmark]: Toolchain (without parser) took 1843.21ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 103.5MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:19,531 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:19,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1839.24ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 103.5MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:19,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1839.24ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 103.5MB in the end (delta: 25.0MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX --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 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:21,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:21,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:50:21,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:21,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:21,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:21,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:21,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:21,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:21,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:21,971 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:21,972 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:21,972 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:21,977 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:21,978 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:21,978 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:21,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:21,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:21,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:21,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:21,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:21,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:21,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:50:21,984 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:50:21,984 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:21,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:50:21,985 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:21,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:21,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:21,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:21,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:50:21,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:21,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:21,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:21,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:21,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:21,990 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:50:21,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:50:21,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:21,991 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:21,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:21,992 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_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa [2023-11-12 00:50:22,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:22,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:22,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:22,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:22,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:22,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2023-11-12 00:50:25,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:26,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:26,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2023-11-12 00:50:26,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/aa542966b/f17f18ac675c4904aedd6ccd869e5583/FLAG71784b2a1 [2023-11-12 00:50:26,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/data/aa542966b/f17f18ac675c4904aedd6ccd869e5583 [2023-11-12 00:50:26,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:26,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:26,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:26,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:26,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:26,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:26" (1/1) ... [2023-11-12 00:50:26,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70af39ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:26, skipping insertion in model container [2023-11-12 00:50:26,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:26" (1/1) ... [2023-11-12 00:50:26,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:26,839 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:28,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:28,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:28,408 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:28,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:28,794 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:28,794 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:28,794 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:28,795 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:28,795 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:28,803 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:28,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28 WrapperNode [2023-11-12 00:50:28,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:28,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:28,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:28,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:28,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,897 INFO L138 Inliner]: procedures = 944, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2023-11-12 00:50:28,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:28,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:28,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:28,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:28,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:28,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:28,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:28,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:28,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (1/1) ... [2023-11-12 00:50:28,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:28,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:28,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:29,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:50:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:50:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-12 00:50:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-12 00:50:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:50:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:50:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:50:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:50:29,209 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:29,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:34,037 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:34,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:34,057 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:50:34,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:34 BoogieIcfgContainer [2023-11-12 00:50:34,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:34,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:34,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:34,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:34,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:26" (1/3) ... [2023-11-12 00:50:34,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e0a8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:34, skipping insertion in model container [2023-11-12 00:50:34,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:28" (2/3) ... [2023-11-12 00:50:34,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e0a8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:34, skipping insertion in model container [2023-11-12 00:50:34,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:34" (3/3) ... [2023-11-12 00:50:34,075 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_12_good.i [2023-11-12 00:50:34,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:34,095 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-12 00:50:34,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:50:34,145 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;@42a2c17c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:50:34,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-12 00:50:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.5) internal successors, (63), 54 states have internal predecessors, (63), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 00:50:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:50:34,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:34,158 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:34,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:50:34,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:34,165 INFO L85 PathProgramCache]: Analyzing trace with hash 16907341, now seen corresponding path program 1 times [2023-11-12 00:50:34,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:34,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758901045] [2023-11-12 00:50:34,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:34,180 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 [2023-11-12 00:50:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:34,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:34,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:34,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:50:34,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:50:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:50:34,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:50:34,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:50:34,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758901045] [2023-11-12 00:50:34,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758901045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:34,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:34,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:34,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079212899] [2023-11-12 00:50:34,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:34,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:50:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:50:34,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:50:34,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:50:34,446 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.5) internal successors, (63), 54 states have internal predecessors, (63), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:38,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:39,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:43,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:45,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:45,196 INFO L93 Difference]: Finished difference Result 75 states and 98 transitions. [2023-11-12 00:50:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:50:45,199 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-12 00:50:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:45,208 INFO L225 Difference]: With dead ends: 75 [2023-11-12 00:50:45,208 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 00:50:45,210 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 [2023-11-12 00:50:45,214 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 22 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:45,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 203 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2023-11-12 00:50:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 00:50:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2023-11-12 00:50:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 45 states have internal predecessors, (53), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-12 00:50:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2023-11-12 00:50:45,265 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 22 [2023-11-12 00:50:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:45,266 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-12 00:50:45,266 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-12 00:50:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:50:45,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:45,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:45,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:45,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:45,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:50:45,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:45,480 INFO L85 PathProgramCache]: Analyzing trace with hash 16884502, now seen corresponding path program 1 times [2023-11-12 00:50:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828535521] [2023-11-12 00:50:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:45,481 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 [2023-11-12 00:50:45,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:45,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:45,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:45,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:50:45,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:50:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:50:45,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:50:45,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:50:45,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828535521] [2023-11-12 00:50:45,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828535521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:45,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:45,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783757136] [2023-11-12 00:50:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:45,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:50:45,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:50:45,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:50:45,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:50:45,665 INFO L87 Difference]: Start difference. First operand 56 states and 71 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:47,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:49,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:51,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:55,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:57,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:58,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:58,735 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2023-11-12 00:50:58,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:50:58,736 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-12 00:50:58,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:58,738 INFO L225 Difference]: With dead ends: 63 [2023-11-12 00:50:58,738 INFO L226 Difference]: Without dead ends: 62 [2023-11-12 00:50:58,739 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 [2023-11-12 00:50:58,740 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 22 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:58,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 157 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2023-11-12 00:50:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-12 00:50:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2023-11-12 00:50:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 44 states have internal predecessors, (52), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-12 00:50:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2023-11-12 00:50:58,752 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 22 [2023-11-12 00:50:58,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:58,758 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2023-11-12 00:50:58,758 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-12 00:50:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:50:58,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:58,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:58,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:58,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:58,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:50:58,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:58,964 INFO L85 PathProgramCache]: Analyzing trace with hash 524131708, now seen corresponding path program 1 times [2023-11-12 00:50:58,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:58,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140622557] [2023-11-12 00:50:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:58,965 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 [2023-11-12 00:50:58,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:58,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:59,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:59,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:50:59,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:50:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:50:59,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:50:59,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:50:59,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140622557] [2023-11-12 00:50:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140622557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:59,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:59,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527559969] [2023-11-12 00:50:59,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:59,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:59,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:50:59,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:59,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:59,146 INFO L87 Difference]: Start difference. First operand 55 states and 70 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:59,191 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2023-11-12 00:50:59,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:50:59,192 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-11-12 00:50:59,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:59,196 INFO L225 Difference]: With dead ends: 81 [2023-11-12 00:50:59,198 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 00:50:59,198 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 [2023-11-12 00:50:59,201 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:59,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:50:59,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 00:50:59,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 00:50:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 45 states have internal predecessors, (53), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-12 00:50:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2023-11-12 00:50:59,223 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 23 [2023-11-12 00:50:59,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:59,224 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-12 00:50:59,224 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-12 00:50:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:50:59,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:59,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:59,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:50:59,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:59,451 INFO L85 PathProgramCache]: Analyzing trace with hash 523423676, now seen corresponding path program 1 times [2023-11-12 00:50:59,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:59,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434818296] [2023-11-12 00:50:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:59,452 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 [2023-11-12 00:50:59,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:59,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:59,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:59,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:50:59,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:50:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:50:59,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:50:59,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:50:59,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434818296] [2023-11-12 00:50:59,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434818296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:59,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:59,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:59,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61146929] [2023-11-12 00:50:59,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:59,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:59,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:50:59,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:59,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:59,597 INFO L87 Difference]: Start difference. First operand 56 states and 71 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:59,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:59,622 INFO L93 Difference]: Finished difference Result 82 states and 99 transitions. [2023-11-12 00:50:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:50:59,623 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-11-12 00:50:59,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:59,625 INFO L225 Difference]: With dead ends: 82 [2023-11-12 00:50:59,625 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 00:50:59,626 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 [2023-11-12 00:50:59,627 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:59,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:50:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 00:50:59,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 00:50:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 46 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-12 00:50:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2023-11-12 00:50:59,637 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 23 [2023-11-12 00:50:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:59,638 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2023-11-12 00:50:59,638 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 00:50:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-12 00:50:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:50:59,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:59,640 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:59,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:59,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:50:59,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:59,856 INFO L85 PathProgramCache]: Analyzing trace with hash -931911121, now seen corresponding path program 1 times [2023-11-12 00:50:59,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:59,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684495806] [2023-11-12 00:50:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:59,857 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 [2023-11-12 00:50:59,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:59,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:59,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f87b90-e429-47a8-a634-776deb46ca1b/bin/utaipan-verify-NcY6lQBIFX/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