./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:16,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:16,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:20:16,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:16,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:16,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:16,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:16,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:16,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:16,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:16,508 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:16,509 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:16,510 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:16,512 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:16,512 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:16,513 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:16,513 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:16,514 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:16,514 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:16,515 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:16,515 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:16,516 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:16,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:16,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:16,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:16,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:16,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:16,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:16,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:16,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:16,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:16,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:16,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:16,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:16,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:16,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:16,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:16,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:16,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:16,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:16,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:16,525 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:16,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:16,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:16,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:16,527 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:16,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:16,527 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-24 23:20:16,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:16,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:16,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:16,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:16,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:16,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 23:20:20,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:20,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:20,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 23:20:20,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/2a5e59a7d/99df89f9328847b0a5bbe914b08f53ff/FLAG995e6fde5 [2023-11-24 23:20:20,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/2a5e59a7d/99df89f9328847b0a5bbe914b08f53ff [2023-11-24 23:20:20,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:20,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:20,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:20,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:20,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:20,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:20" (1/1) ... [2023-11-24 23:20:20,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542ceeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:20, skipping insertion in model container [2023-11-24 23:20:20,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:20" (1/1) ... [2023-11-24 23:20:20,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:21,325 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: isnan 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:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) 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:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) 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 23:20:21,330 INFO L158 Benchmark]: Toolchain (without parser) took 714.28ms. Allocated memory is still 121.6MB. Free memory was 74.1MB in the beginning and 60.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:20:21,331 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:21,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.83ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 60.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:20:21,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.83ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 60.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:23,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:24,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:20:24,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:24,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:24,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:24,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:24,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:24,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:24,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:24,174 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:24,175 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:24,175 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:24,177 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:24,178 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:24,178 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:24,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:24,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:24,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:24,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:24,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:24,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:24,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:24,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:24,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:20:24,184 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:20:24,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:20:24,185 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:24,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:24,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:24,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:24,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:20:24,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:24,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:24,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:24,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:24,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:24,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:24,190 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:20:24,191 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:20:24,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:24,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:24,192 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:24,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:24,193 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-24 23:20:24,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:24,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:24,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:24,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:24,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:24,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 23:20:27,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:28,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:28,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 23:20:28,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/aca1eaff1/fe58c06e46954546ad9e6c5ef885321a/FLAGd0ac55d05 [2023-11-24 23:20:28,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/data/aca1eaff1/fe58c06e46954546ad9e6c5ef885321a [2023-11-24 23:20:28,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:28,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:28,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:28,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:28,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:28,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:28" (1/1) ... [2023-11-24 23:20:28,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d296636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:28, skipping insertion in model container [2023-11-24 23:20:28,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:28" (1/1) ... [2023-11-24 23:20:28,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:29,121 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-24 23:20:29,126 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-24 23:20:29,128 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-24 23:20:29,129 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-24 23:20:29,131 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-24 23:20:29,132 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-24 23:20:29,133 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-24 23:20:29,141 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-24 23:20:29,142 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-24 23:20:29,144 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-24 23:20:29,145 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-24 23:20:29,147 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-24 23:20:29,148 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-24 23:20:29,149 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-24 23:20:29,150 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-24 23:20:29,151 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-24 23:20:29,152 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-24 23:20:29,153 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-24 23:20:29,154 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-24 23:20:29,155 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-24 23:20:29,156 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-24 23:20:29,157 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-24 23:20:29,158 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-24 23:20:29,160 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-24 23:20:29,162 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-24 23:20:29,163 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-24 23:20:29,164 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-24 23:20:29,165 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-24 23:20:29,166 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-24 23:20:29,167 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-24 23:20:29,168 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-24 23:20:29,169 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-24 23:20:29,173 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-24 23:20:29,174 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-24 23:20:29,175 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-24 23:20:29,176 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-24 23:20:29,180 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-24 23:20:29,181 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-24 23:20:29,182 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-24 23:20:29,183 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-24 23:20:29,184 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-24 23:20:29,184 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-24 23:20:29,185 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-24 23:20:29,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:29,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:29,254 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-24 23:20:29,255 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-24 23:20:29,257 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-24 23:20:29,258 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-24 23:20:29,260 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-24 23:20:29,261 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-24 23:20:29,262 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-24 23:20:29,264 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-24 23:20:29,265 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-24 23:20:29,267 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-24 23:20:29,268 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-24 23:20:29,271 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-24 23:20:29,272 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-24 23:20:29,273 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-24 23:20:29,277 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-24 23:20:29,280 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-24 23:20:29,281 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-24 23:20:29,282 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-24 23:20:29,284 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-24 23:20:29,285 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-24 23:20:29,286 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-24 23:20:29,286 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-24 23:20:29,287 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-24 23:20:29,287 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-24 23:20:29,288 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-24 23:20:29,289 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-24 23:20:29,290 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-24 23:20:29,291 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-24 23:20:29,292 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-24 23:20:29,293 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-24 23:20:29,294 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-24 23:20:29,295 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-24 23:20:29,296 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-24 23:20:29,297 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-24 23:20:29,299 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-24 23:20:29,300 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-24 23:20:29,300 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-24 23:20:29,302 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-24 23:20:29,303 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-24 23:20:29,304 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-24 23:20:29,305 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-24 23:20:29,306 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-24 23:20:29,306 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_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-24 23:20:29,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:29,465 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:29,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29 WrapperNode [2023-11-24 23:20:29,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:29,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:29,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:29,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:29,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,566 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2023-11-24 23:20:29,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:29,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:29,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:29,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:29,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:29,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:29,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:29,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:29,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (1/1) ... [2023-11-24 23:20:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:29,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:29,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:20:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:20:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:20:29,844 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:29,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:35,237 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:35,272 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:35,272 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:20:35,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:35 BoogieIcfgContainer [2023-11-24 23:20:35,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:35,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:35,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:35,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:35,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:28" (1/3) ... [2023-11-24 23:20:35,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223047e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:35, skipping insertion in model container [2023-11-24 23:20:35,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:29" (2/3) ... [2023-11-24 23:20:35,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223047e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:35, skipping insertion in model container [2023-11-24 23:20:35,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:35" (3/3) ... [2023-11-24 23:20:35,283 INFO L112 eAbstractionObserver]: Analyzing ICFG float4.i [2023-11-24 23:20:35,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:35,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-11-24 23:20:35,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:35,364 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;@535ce871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:35,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-11-24 23:20:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 135 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:20:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:20:35,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:35,379 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:35,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-24 23:20:35,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:35,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1822043114, now seen corresponding path program 1 times [2023-11-24 23:20:35,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:35,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611083958] [2023-11-24 23:20:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:35,402 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 23:20:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:35,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:35,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:35,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:20:35,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:20:35,528 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:35,529 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:35,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611083958] [2023-11-24 23:20:35,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611083958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:35,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:35,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:20:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035575394] [2023-11-24 23:20:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:35,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:20:35,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:35,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:20:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:35,592 INFO L87 Difference]: Start difference. First operand has 139 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 135 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:20:35,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:35,647 INFO L93 Difference]: Finished difference Result 216 states and 305 transitions. [2023-11-24 23:20:35,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:20:35,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-24 23:20:35,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:35,660 INFO L225 Difference]: With dead ends: 216 [2023-11-24 23:20:35,663 INFO L226 Difference]: Without dead ends: 60 [2023-11-24 23:20:35,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 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 23:20:35,674 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:35,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:20:35,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-24 23:20:35,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-24 23:20:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 56 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:20:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2023-11-24 23:20:35,742 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 14 [2023-11-24 23:20:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:35,747 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2023-11-24 23:20:35,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:20:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2023-11-24 23:20:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:20:35,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:35,750 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:35,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:35,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:35,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-24 23:20:35,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:35,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1384415192, now seen corresponding path program 1 times [2023-11-24 23:20:35,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:35,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574906624] [2023-11-24 23:20:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:35,964 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 23:20:35,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:35,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:35,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:20:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:36,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:20:36,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:20:37,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:37,179 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:37,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574906624] [2023-11-24 23:20:37,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574906624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:37,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:37,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 23:20:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249627936] [2023-11-24 23:20:37,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:37,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:20:37,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:37,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:20:37,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:20:37,183 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:20:39,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:41,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:43,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:45,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:47,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:49,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:52,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:54,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:56,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:58,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:00,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:02,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:02,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:02,567 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2023-11-24 23:21:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:21:02,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2023-11-24 23:21:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:02,588 INFO L225 Difference]: With dead ends: 60 [2023-11-24 23:21:02,588 INFO L226 Difference]: Without dead ends: 42 [2023-11-24 23:21:02,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:21:02,590 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 68 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:02,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 22 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 12 Unknown, 0 Unchecked, 25.3s Time] [2023-11-24 23:21:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-24 23:21:02,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-24 23:21:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 38 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:21:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2023-11-24 23:21:02,598 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 15 [2023-11-24 23:21:02,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:02,600 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2023-11-24 23:21:02,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:21:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2023-11-24 23:21:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:21:02,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:02,602 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:02,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:21:02,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:21:02,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-24 23:21:02,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:02,807 INFO L85 PathProgramCache]: Analyzing trace with hash -60160488, now seen corresponding path program 1 times [2023-11-24 23:21:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:02,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286745300] [2023-11-24 23:21:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:02,808 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 23:21:02,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:02,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:21:02,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c308271f-dfd8-4e4d-a67c-9e3ad6e5acaa/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 23:21:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:05,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:21:05,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:14,423 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from false [2023-11-24 23:21:16,429 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from true [2023-11-24 23:21:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:21:16,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:16,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:16,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286745300] [2023-11-24 23:21:16,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286745300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:16,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:16,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:21:16,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728971357] [2023-11-24 23:21:16,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:16,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:21:16,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:16,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:21:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2023-11-24 23:21:16,433 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:21:18,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:20,711 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse1) .cse1)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-24 23:21:22,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:25,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []