./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:46,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:46,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:21:46,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:46,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:46,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:46,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:46,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:46,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:46,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:46,440 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:46,440 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:46,441 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:46,442 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:21:46,442 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:46,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:46,443 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:21:46,444 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:21:46,445 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:46,445 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:21:46,446 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:21:46,447 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:21:46,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:46,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:46,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:46,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:21:46,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:46,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:46,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:46,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:46,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:46,452 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:46,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:46,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:46,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:46,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:46,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:46,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:46,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:46,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:46,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:46,457 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:21:46,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:21:46,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:46,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:46,458 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:46,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:46,459 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_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f [2023-11-24 23:21:46,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:46,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:46,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:46,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:46,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:46,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c [2023-11-24 23:21:49,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:50,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:50,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/sv-benchmarks/c/float-newlib/float_req_bl_0883.c [2023-11-24 23:21:50,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/6d16f876e/7dd9106408c64ab7b131f93138642c59/FLAG44a16a6b9 [2023-11-24 23:21:50,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/6d16f876e/7dd9106408c64ab7b131f93138642c59 [2023-11-24 23:21:50,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:50,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:50,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:50,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:50,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:50,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45422dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50, skipping insertion in model container [2023-11-24 23:21:50,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:50,793 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2212) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$63(StandardFunctionHandler.java:436) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:567) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) 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:386) 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-11-24 23:21:50,802 INFO L158 Benchmark]: Toolchain (without parser) took 380.16ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 133.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:21:50,803 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:50,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.44ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 133.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:21:50,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.44ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 133.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) 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_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:53,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:53,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:21:53,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:53,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:53,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:53,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:53,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:53,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:53,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:53,604 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:53,605 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:53,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:53,607 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:53,608 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:53,608 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:53,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:53,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:53,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:53,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:53,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:53,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:53,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:53,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:53,614 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:21:53,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:21:53,615 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:21:53,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:53,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:53,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:53,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:53,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:21:53,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:53,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:53,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:53,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:53,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:53,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:53,621 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:21:53,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:53,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:53,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:53,623 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:53,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:53,624 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_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7efa59a6bd11d9a5dfdc7b4f5743dfbd252f8913e1946c8d686b198d4af2f [2023-11-24 23:21:54,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:54,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:54,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:54,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:54,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:54,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/float-newlib/float_req_bl_0883.c [2023-11-24 23:21:57,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:57,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:57,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/sv-benchmarks/c/float-newlib/float_req_bl_0883.c [2023-11-24 23:21:57,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/c1730a606/d8fea5b915f54f6881dc28e171e576d5/FLAG0abf1e6d3 [2023-11-24 23:21:57,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/data/c1730a606/d8fea5b915f54f6881dc28e171e576d5 [2023-11-24 23:21:57,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:57,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:57,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:57,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:57,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:57,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:57" (1/1) ... [2023-11-24 23:21:57,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d376075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:57, skipping insertion in model container [2023-11-24 23:21:57,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:57" (1/1) ... [2023-11-24 23:21:57,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:58,108 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/sv-benchmarks/c/float-newlib/float_req_bl_0883.c[14102,14115] [2023-11-24 23:21:58,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:58,136 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:58,274 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/sv-benchmarks/c/float-newlib/float_req_bl_0883.c[14102,14115] [2023-11-24 23:21:58,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:58,307 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:58,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58 WrapperNode [2023-11-24 23:21:58,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:58,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:58,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:58,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:58,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,429 INFO L138 Inliner]: procedures = 26, calls = 192, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 776 [2023-11-24 23:21:58,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:58,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:58,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:58,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:58,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:58,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:58,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:58,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:58,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (1/1) ... [2023-11-24 23:21:58,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:58,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:58,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:58,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:21:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:21:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:21:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:21:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:21:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-11-24 23:21:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-11-24 23:21:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:21:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:21:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:21:58,841 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:58,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:29,338 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:29,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:29,409 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:22:29,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:29 BoogieIcfgContainer [2023-11-24 23:22:29,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:29,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:29,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:29,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:29,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:57" (1/3) ... [2023-11-24 23:22:29,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183dab9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:29, skipping insertion in model container [2023-11-24 23:22:29,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:58" (2/3) ... [2023-11-24 23:22:29,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183dab9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:29, skipping insertion in model container [2023-11-24 23:22:29,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:29" (3/3) ... [2023-11-24 23:22:29,423 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0883.c [2023-11-24 23:22:29,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:29,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:29,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:29,527 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;@e58c8ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:29,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 175 states have (on average 1.7542857142857142) internal successors, (307), 176 states have internal predecessors, (307), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:22:29,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:29,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:29,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:29,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:29,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1146037776, now seen corresponding path program 1 times [2023-11-24 23:22:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:29,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438318521] [2023-11-24 23:22:29,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:29,559 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 [2023-11-24 23:22:29,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:29,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:29,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:30,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:22:30,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:30,690 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:30,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438318521] [2023-11-24 23:22:30,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438318521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:30,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:30,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:30,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311623975] [2023-11-24 23:22:30,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:30,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:22:30,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:22:30,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:30,733 INFO L87 Difference]: Start difference. First operand has 181 states, 175 states have (on average 1.7542857142857142) internal successors, (307), 176 states have internal predecessors, (307), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:30,880 INFO L93 Difference]: Finished difference Result 360 states and 626 transitions. [2023-11-24 23:22:30,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:22:30,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-24 23:22:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:30,899 INFO L225 Difference]: With dead ends: 360 [2023-11-24 23:22:30,900 INFO L226 Difference]: Without dead ends: 178 [2023-11-24 23:22:30,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:30,913 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:30,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:22:30,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-24 23:22:30,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-11-24 23:22:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.329479768786127) internal successors, (230), 173 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2023-11-24 23:22:30,991 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 236 transitions. Word has length 11 [2023-11-24 23:22:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:30,992 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 236 transitions. [2023-11-24 23:22:30,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:30,993 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2023-11-24 23:22:30,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:22:30,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:30,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:31,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:31,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:31,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:31,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:31,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1911362739, now seen corresponding path program 1 times [2023-11-24 23:22:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:31,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166868669] [2023-11-24 23:22:31,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:31,215 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 [2023-11-24 23:22:31,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:31,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:31,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:32,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:22:32,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:32,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:22:32,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-24 23:22:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:32,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:32,989 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166868669] [2023-11-24 23:22:32,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166868669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:32,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:22:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197013129] [2023-11-24 23:22:32,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:32,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:22:33,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:33,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:22:33,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:22:33,001 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:37,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:22:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:37,612 INFO L93 Difference]: Finished difference Result 189 states and 249 transitions. [2023-11-24 23:22:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:22:37,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-24 23:22:37,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:37,615 INFO L225 Difference]: With dead ends: 189 [2023-11-24 23:22:37,616 INFO L226 Difference]: Without dead ends: 178 [2023-11-24 23:22:37,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:22:37,619 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 622 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:37,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 246 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-24 23:22:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-24 23:22:37,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-11-24 23:22:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 173 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:22:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 233 transitions. [2023-11-24 23:22:37,649 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 233 transitions. Word has length 14 [2023-11-24 23:22:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:37,649 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 233 transitions. [2023-11-24 23:22:37,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 233 transitions. [2023-11-24 23:22:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:22:37,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:37,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:37,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:37,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:37,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:37,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:37,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1581366674, now seen corresponding path program 1 times [2023-11-24 23:22:37,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:37,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811851439] [2023-11-24 23:22:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:37,875 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 [2023-11-24 23:22:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:37,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:37,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:38,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:22:38,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:39,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:22:39,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-11-24 23:22:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:40,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:40,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811851439] [2023-11-24 23:22:40,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811851439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:40,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:40,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:22:40,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669305575] [2023-11-24 23:22:40,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:40,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:22:40,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:40,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:22:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:22:40,389 INFO L87 Difference]: Start difference. First operand 178 states and 233 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:44,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:44,756 INFO L93 Difference]: Finished difference Result 226 states and 300 transitions. [2023-11-24 23:22:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:22:44,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-24 23:22:44,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:44,759 INFO L225 Difference]: With dead ends: 226 [2023-11-24 23:22:44,759 INFO L226 Difference]: Without dead ends: 58 [2023-11-24 23:22:44,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:22:44,762 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 253 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:44,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 90 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:22:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-24 23:22:44,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-24 23:22:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.263157894736842) internal successors, (72), 57 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-24 23:22:44,773 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 16 [2023-11-24 23:22:44,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:44,773 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-24 23:22:44,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-24 23:22:44,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:22:44,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:44,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:44,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:44,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:44,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:44,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash -205598023, now seen corresponding path program 1 times [2023-11-24 23:22:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:44,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860405548] [2023-11-24 23:22:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:44,990 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 [2023-11-24 23:22:44,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:44,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:46,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:22:46,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:47,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:47,414 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:47,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860405548] [2023-11-24 23:22:47,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860405548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:47,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:47,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 23:22:47,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854378987] [2023-11-24 23:22:47,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:47,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:22:47,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:47,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:22:47,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:22:47,416 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:50,527 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2023-11-24 23:22:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:22:50,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-24 23:22:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:50,534 INFO L225 Difference]: With dead ends: 65 [2023-11-24 23:22:50,534 INFO L226 Difference]: Without dead ends: 57 [2023-11-24 23:22:50,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:22:50,539 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 135 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:50,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 280 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-24 23:22:50,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-24 23:22:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-24 23:22:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2023-11-24 23:22:50,558 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 19 [2023-11-24 23:22:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:50,558 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2023-11-24 23:22:50,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-24 23:22:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:22:50,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:50,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:50,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:50,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:50,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:50,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:50,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1756646259, now seen corresponding path program 1 times [2023-11-24 23:22:50,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:50,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523362903] [2023-11-24 23:22:50,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:50,774 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 [2023-11-24 23:22:50,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:50,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:50,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f168271-bc1b-4187-8511-f7ddee7fce60/bin/utaipan-verify-SwPr7d2a91/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