./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire --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 ad2514cc04623eac5dd10238d1f75fcfb17250c322f299a6c8971bfce8395449 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:02,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:02,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:37:02,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:02,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:02,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:02,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:02,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:02,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:02,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:02,452 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:02,453 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:02,453 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:02,456 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:02,456 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:02,457 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:02,458 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:02,458 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:02,459 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:02,459 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:02,460 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:02,461 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:02,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:02,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:02,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:02,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:02,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:02,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:02,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:02,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:02,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:02,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:02,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:02,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:02,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:02,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:02,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:02,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:02,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:02,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:02,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:02,473 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:02,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:02,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:02,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:02,475 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:02,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:02,475 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad2514cc04623eac5dd10238d1f75fcfb17250c322f299a6c8971bfce8395449 [2023-11-23 20:37:02,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:02,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:02,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:02,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:02,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:02,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2023-11-23 20:37:06,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:06,576 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:06,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2023-11-23 20:37:06,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/0a43c3728/7be71348a110433fbe497ae39e611f17/FLAG9ac5729f9 [2023-11-23 20:37:06,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/0a43c3728/7be71348a110433fbe497ae39e611f17 [2023-11-23 20:37:06,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:06,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:06,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:06,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:06,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:06,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:06" (1/1) ... [2023-11-23 20:37:06,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111ba431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:06, skipping insertion in model container [2023-11-23 20:37:06,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:06" (1/1) ... [2023-11-23 20:37:06,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:07,553 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: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:2490) 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:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2490) 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:2490) 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:2490) 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:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:37:07,560 INFO L158 Benchmark]: Toolchain (without parser) took 937.75ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 103.9MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:07,561 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:07,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.03ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 103.9MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:07,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.03ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 103.9MB in the end (delta: 12.5MB). 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire --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 ad2514cc04623eac5dd10238d1f75fcfb17250c322f299a6c8971bfce8395449 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:10,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:10,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:37:10,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:10,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:10,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:10,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:10,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:10,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:10,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:10,331 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:10,331 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:10,332 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:10,333 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:10,333 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:10,334 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:10,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:10,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:10,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:10,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:10,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:10,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:10,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:10,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:10,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:37:10,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:37:10,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:37:10,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:10,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:10,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:10,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:10,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:37:10,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:10,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:10,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:10,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:10,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:10,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:10,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:37:10,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:10,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:10,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:10,348 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:10,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:10,349 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad2514cc04623eac5dd10238d1f75fcfb17250c322f299a6c8971bfce8395449 [2023-11-23 20:37:10,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:10,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:10,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:10,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:10,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:10,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2023-11-23 20:37:13,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:14,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:14,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2023-11-23 20:37:14,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/79bf9496c/d9218584d35c4f71bf5ae800c996bba3/FLAG9d2959599 [2023-11-23 20:37:14,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/data/79bf9496c/d9218584d35c4f71bf5ae800c996bba3 [2023-11-23 20:37:14,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:14,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:14,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:14,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:14,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:14,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:14" (1/1) ... [2023-11-23 20:37:14,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ebd04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:14, skipping insertion in model container [2023-11-23 20:37:14,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:14" (1/1) ... [2023-11-23 20:37:14,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:15,333 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41004,41017] [2023-11-23 20:37:15,338 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41250,41263] [2023-11-23 20:37:15,339 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41501,41514] [2023-11-23 20:37:15,342 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41728,41741] [2023-11-23 20:37:15,344 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41969,41982] [2023-11-23 20:37:15,347 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42292,42305] [2023-11-23 20:37:15,350 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42618,42631] [2023-11-23 20:37:15,352 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42692,42705] [2023-11-23 20:37:15,359 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42943,42956] [2023-11-23 20:37:15,362 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43279,43292] [2023-11-23 20:37:15,365 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43602,43615] [2023-11-23 20:37:15,372 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43928,43941] [2023-11-23 20:37:15,373 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44003,44016] [2023-11-23 20:37:15,383 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44254,44267] [2023-11-23 20:37:15,390 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44590,44603] [2023-11-23 20:37:15,392 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44913,44926] [2023-11-23 20:37:15,394 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45239,45252] [2023-11-23 20:37:15,395 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45313,45326] [2023-11-23 20:37:15,395 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45388,45401] [2023-11-23 20:37:15,400 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45639,45652] [2023-11-23 20:37:15,402 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45975,45988] [2023-11-23 20:37:15,404 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46211,46224] [2023-11-23 20:37:15,405 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46393,46406] [2023-11-23 20:37:15,407 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46571,46584] [2023-11-23 20:37:15,409 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46894,46907] [2023-11-23 20:37:15,410 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47220,47233] [2023-11-23 20:37:15,412 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47486,47499] [2023-11-23 20:37:15,413 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47546,47559] [2023-11-23 20:37:15,414 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47606,47619] [2023-11-23 20:37:15,416 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47863,47876] [2023-11-23 20:37:15,417 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48120,48133] [2023-11-23 20:37:15,418 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48178,48191] [2023-11-23 20:37:15,419 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48349,48362] [2023-11-23 20:37:15,421 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48585,48598] [2023-11-23 20:37:15,423 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48756,48769] [2023-11-23 20:37:15,425 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49007,49020] [2023-11-23 20:37:15,426 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49343,49356] [2023-11-23 20:37:15,428 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49515,49528] [2023-11-23 20:37:15,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:15,445 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:15,477 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41004,41017] [2023-11-23 20:37:15,479 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41250,41263] [2023-11-23 20:37:15,480 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41501,41514] [2023-11-23 20:37:15,482 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41728,41741] [2023-11-23 20:37:15,483 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[41969,41982] [2023-11-23 20:37:15,485 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42292,42305] [2023-11-23 20:37:15,486 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42618,42631] [2023-11-23 20:37:15,487 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42692,42705] [2023-11-23 20:37:15,489 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[42943,42956] [2023-11-23 20:37:15,491 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43279,43292] [2023-11-23 20:37:15,492 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43602,43615] [2023-11-23 20:37:15,494 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[43928,43941] [2023-11-23 20:37:15,495 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44003,44016] [2023-11-23 20:37:15,497 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44254,44267] [2023-11-23 20:37:15,498 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44590,44603] [2023-11-23 20:37:15,500 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[44913,44926] [2023-11-23 20:37:15,501 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45239,45252] [2023-11-23 20:37:15,502 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45313,45326] [2023-11-23 20:37:15,503 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45388,45401] [2023-11-23 20:37:15,504 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45639,45652] [2023-11-23 20:37:15,506 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[45975,45988] [2023-11-23 20:37:15,508 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46211,46224] [2023-11-23 20:37:15,509 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46393,46406] [2023-11-23 20:37:15,510 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46571,46584] [2023-11-23 20:37:15,512 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[46894,46907] [2023-11-23 20:37:15,513 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47220,47233] [2023-11-23 20:37:15,515 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47486,47499] [2023-11-23 20:37:15,516 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47546,47559] [2023-11-23 20:37:15,517 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47606,47619] [2023-11-23 20:37:15,518 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[47863,47876] [2023-11-23 20:37:15,520 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48120,48133] [2023-11-23 20:37:15,521 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48178,48191] [2023-11-23 20:37:15,522 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48349,48362] [2023-11-23 20:37:15,524 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48585,48598] [2023-11-23 20:37:15,525 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[48756,48769] [2023-11-23 20:37:15,527 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49007,49020] [2023-11-23 20:37:15,528 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49343,49356] [2023-11-23 20:37:15,534 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_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i[49515,49528] [2023-11-23 20:37:15,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:15,712 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:15,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15 WrapperNode [2023-11-23 20:37:15,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:15,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:15,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:15,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:15,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,814 INFO L138 Inliner]: procedures = 448, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 157 [2023-11-23 20:37:15,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:15,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:15,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:15,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:15,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:15,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:15,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:15,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:15,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (1/1) ... [2023-11-23 20:37:15,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:15,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:15,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:15,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:37:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:16,052 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:16,055 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:18,186 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:18,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:18,212 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:37:18,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18 BoogieIcfgContainer [2023-11-23 20:37:18,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:18,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:18,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:18,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:18,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:14" (1/3) ... [2023-11-23 20:37:18,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e5a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:15" (2/3) ... [2023-11-23 20:37:18,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e5a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18" (3/3) ... [2023-11-23 20:37:18,222 INFO L112 eAbstractionObserver]: Analyzing ICFG float-flags-simp1.i [2023-11-23 20:37:18,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:18,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-23 20:37:18,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:18,298 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;@3ac70a3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:18,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-23 20:37:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 79 states have (on average 1.9620253164556962) internal successors, (155), 117 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:37:18,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:18,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-23 20:37:18,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2023-11-23 20:37:18,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:18,316 INFO L85 PathProgramCache]: Analyzing trace with hash 328823, now seen corresponding path program 1 times [2023-11-23 20:37:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791842641] [2023-11-23 20:37:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:18,331 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 [2023-11-23 20:37:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:18,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:18,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:18,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:37:18,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:18,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:18,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:18,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791842641] [2023-11-23 20:37:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791842641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:18,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:18,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:18,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030683884] [2023-11-23 20:37:18,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:18,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:18,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:18,571 INFO L87 Difference]: Start difference. First operand has 118 states, 79 states have (on average 1.9620253164556962) internal successors, (155), 117 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:19,089 INFO L93 Difference]: Finished difference Result 168 states and 241 transitions. [2023-11-23 20:37:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:19,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-23 20:37:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:19,100 INFO L225 Difference]: With dead ends: 168 [2023-11-23 20:37:19,100 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 20:37:19,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:19,107 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:19,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 20 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:37:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 20:37:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 20:37:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 49 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2023-11-23 20:37:19,161 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 3 [2023-11-23 20:37:19,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:19,162 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2023-11-23 20:37:19,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2023-11-23 20:37:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:37:19,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:19,167 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 20:37:19,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:37:19,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:19,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2023-11-23 20:37:19,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash 733846703, now seen corresponding path program 1 times [2023-11-23 20:37:19,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:19,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476530885] [2023-11-23 20:37:19,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:19,374 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 [2023-11-23 20:37:19,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:19,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:19,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:37:19,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:37:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:37:19,893 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 20:37:19,897 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:37:19,899 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (37 of 38 remaining) [2023-11-23 20:37:19,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 38 remaining) [2023-11-23 20:37:19,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (35 of 38 remaining) [2023-11-23 20:37:19,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (34 of 38 remaining) [2023-11-23 20:37:19,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (33 of 38 remaining) [2023-11-23 20:37:19,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (32 of 38 remaining) [2023-11-23 20:37:19,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (31 of 38 remaining) [2023-11-23 20:37:19,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (30 of 38 remaining) [2023-11-23 20:37:19,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (29 of 38 remaining) [2023-11-23 20:37:19,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (28 of 38 remaining) [2023-11-23 20:37:19,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (27 of 38 remaining) [2023-11-23 20:37:19,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (26 of 38 remaining) [2023-11-23 20:37:19,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (25 of 38 remaining) [2023-11-23 20:37:19,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (24 of 38 remaining) [2023-11-23 20:37:19,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (23 of 38 remaining) [2023-11-23 20:37:19,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (22 of 38 remaining) [2023-11-23 20:37:19,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (21 of 38 remaining) [2023-11-23 20:37:19,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (20 of 38 remaining) [2023-11-23 20:37:19,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (19 of 38 remaining) [2023-11-23 20:37:19,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (18 of 38 remaining) [2023-11-23 20:37:19,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (17 of 38 remaining) [2023-11-23 20:37:19,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (16 of 38 remaining) [2023-11-23 20:37:19,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (15 of 38 remaining) [2023-11-23 20:37:19,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (14 of 38 remaining) [2023-11-23 20:37:19,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (13 of 38 remaining) [2023-11-23 20:37:19,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (12 of 38 remaining) [2023-11-23 20:37:19,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (11 of 38 remaining) [2023-11-23 20:37:19,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (10 of 38 remaining) [2023-11-23 20:37:19,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (9 of 38 remaining) [2023-11-23 20:37:19,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (8 of 38 remaining) [2023-11-23 20:37:19,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (7 of 38 remaining) [2023-11-23 20:37:19,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (6 of 38 remaining) [2023-11-23 20:37:19,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (5 of 38 remaining) [2023-11-23 20:37:19,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (4 of 38 remaining) [2023-11-23 20:37:19,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (3 of 38 remaining) [2023-11-23 20:37:19,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (2 of 38 remaining) [2023-11-23 20:37:19,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (1 of 38 remaining) [2023-11-23 20:37:19,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (0 of 38 remaining) [2023-11-23 20:37:19,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 20:37:20,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:20,141 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:37:20,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:37:20,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:37:20 BoogieIcfgContainer [2023-11-23 20:37:20,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:37:20,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:37:20,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:37:20,209 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:37:20,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18" (3/4) ... [2023-11-23 20:37:20,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:37:20,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:37:20,229 INFO L158 Benchmark]: Toolchain (without parser) took 5713.22ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 52.3MB in the end (delta: -5.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-23 20:37:20,230 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:20,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.63ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.0MB in the beginning and 48.4MB in the end (delta: -1.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:20,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.15ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 45.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:37:20,234 INFO L158 Benchmark]: Boogie Preprocessor took 35.92ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:20,235 INFO L158 Benchmark]: RCFGBuilder took 2360.73ms. Allocated memory is still 88.1MB. Free memory was 43.5MB in the beginning and 54.9MB in the end (delta: -11.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-23 20:37:20,236 INFO L158 Benchmark]: TraceAbstraction took 1990.20ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-11-23 20:37:20,239 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 88.1MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:20,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.63ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.0MB in the beginning and 48.4MB in the end (delta: -1.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.15ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 45.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.92ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2360.73ms. Allocated memory is still 88.1MB. Free memory was 43.5MB in the beginning and 54.9MB in the end (delta: -11.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1990.20ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 88.1MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1000]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of __signbitl at line 1000. Possible FailurePath: [L965] double d = __VERIFIER_nondet_double(); [L971] COND FALSE !(!(((sizeof (3.40282346638528859812e+38F) == sizeof (float) ? __fpclassifyf (3.40282346638528859812e+38F) : sizeof (3.40282346638528859812e+38F) == sizeof (double) ? __fpclassify (3.40282346638528859812e+38F) : __fpclassifyl (3.40282346638528859812e+38F)) == 4))) [L972] COND FALSE !(!((sizeof ((__builtin_huge_val())) == sizeof (float) ? __isinff ((__builtin_huge_val())) : sizeof ((__builtin_huge_val())) == sizeof (double) ? __isinf ((__builtin_huge_val())) : __isinfl ((__builtin_huge_val()))))) [L973] COND FALSE !(!((sizeof ((__builtin_huge_valf())) == sizeof (float) ? __isinff ((__builtin_huge_valf())) : sizeof ((__builtin_huge_valf())) == sizeof (double) ? __isinf ((__builtin_huge_valf())) : __isinfl ((__builtin_huge_valf()))))) [L975] COND FALSE !(!((sizeof ((__builtin_inff())) == sizeof (float) ? __isinff ((__builtin_inff())) : sizeof ((__builtin_inff())) == sizeof (double) ? __isinf ((__builtin_inff())) : __isinfl ((__builtin_inff()))))) [L976] COND FALSE !(!((sizeof ((__builtin_nanf (""))) == sizeof (float) ? __isnanf ((__builtin_nanf (""))) : sizeof ((__builtin_nanf (""))) == sizeof (double) ? __isnan ((__builtin_nanf (""))) : __isnanl ((__builtin_nanf ("")))))) [L979] COND FALSE !(!((sizeof ((__builtin_inff())+(__builtin_inff())) == sizeof (float) ? __isinff ((__builtin_inff())+(__builtin_inff())) : sizeof ((__builtin_inff())+(__builtin_inff())) == sizeof (double) ? __isinf ((__builtin_inff())+(__builtin_inff())) : __isinfl ((__builtin_inff())+(__builtin_inff()))))) [L980] COND FALSE !(!((sizeof (-(__builtin_inff())+(__builtin_inff())) == sizeof (float) ? __isnanf (-(__builtin_inff())+(__builtin_inff())) : sizeof (-(__builtin_inff())+(__builtin_inff())) == sizeof (double) ? __isnan (-(__builtin_inff())+(__builtin_inff())) : __isnanl (-(__builtin_inff())+(__builtin_inff()))))) [L981] COND FALSE !(!((__builtin_inff())+(__builtin_inff())>0)) [L982] COND FALSE !(!((sizeof ((__builtin_nanf (""))+d) == sizeof (float) ? __isnanf ((__builtin_nanf (""))+d) : sizeof ((__builtin_nanf (""))+d) == sizeof (double) ? __isnan ((__builtin_nanf (""))+d) : __isnanl ((__builtin_nanf (""))+d)))) VAL [d=0.0] [L983] COND FALSE !(!((sizeof ((__builtin_nanf (""))+(__builtin_inff())) == sizeof (float) ? __isnanf ((__builtin_nanf (""))+(__builtin_inff())) : sizeof ((__builtin_nanf (""))+(__builtin_inff())) == sizeof (double) ? __isnan ((__builtin_nanf (""))+(__builtin_inff())) : __isnanl ((__builtin_nanf (""))+(__builtin_inff()))))) VAL [d=0.0] [L986] COND FALSE !(!((sizeof ((__builtin_inff())-(__builtin_inff())) == sizeof (float) ? __isnanf ((__builtin_inff())-(__builtin_inff())) : sizeof ((__builtin_inff())-(__builtin_inff())) == sizeof (double) ? __isnan ((__builtin_inff())-(__builtin_inff())) : __isnanl ((__builtin_inff())-(__builtin_inff()))))) VAL [d=0.0] [L987] COND FALSE !(!((sizeof (-(__builtin_inff())-(__builtin_inff())) == sizeof (float) ? __isinff (-(__builtin_inff())-(__builtin_inff())) : sizeof (-(__builtin_inff())-(__builtin_inff())) == sizeof (double) ? __isinf (-(__builtin_inff())-(__builtin_inff())) : __isinfl (-(__builtin_inff())-(__builtin_inff()))))) VAL [d=0.0] [L988] COND FALSE !(!(-(__builtin_inff())-(__builtin_inff())<0)) VAL [d=0.0] [L989] COND FALSE !(!((sizeof ((__builtin_nanf (""))-d) == sizeof (float) ? __isnanf ((__builtin_nanf (""))-d) : sizeof ((__builtin_nanf (""))-d) == sizeof (double) ? __isnan ((__builtin_nanf (""))-d) : __isnanl ((__builtin_nanf (""))-d)))) VAL [d=0.0] [L990] COND FALSE !(!((sizeof ((__builtin_nanf (""))-(__builtin_inff())) == sizeof (float) ? __isnanf ((__builtin_nanf (""))-(__builtin_inff())) : sizeof ((__builtin_nanf (""))-(__builtin_inff())) == sizeof (double) ? __isnan ((__builtin_nanf (""))-(__builtin_inff())) : __isnanl ((__builtin_nanf (""))-(__builtin_inff()))))) VAL [d=0.0] [L993] COND FALSE !(!((sizeof ((__builtin_inff())*(__builtin_inff())) == sizeof (float) ? __isinff ((__builtin_inff())*(__builtin_inff())) : sizeof ((__builtin_inff())*(__builtin_inff())) == sizeof (double) ? __isinf ((__builtin_inff())*(__builtin_inff())) : __isinfl ((__builtin_inff())*(__builtin_inff()))))) VAL [d=0.0] [L994] COND FALSE !(!((sizeof (-(__builtin_inff())*(__builtin_inff())) == sizeof (float) ? __isinff (-(__builtin_inff())*(__builtin_inff())) : sizeof (-(__builtin_inff())*(__builtin_inff())) == sizeof (double) ? __isinf (-(__builtin_inff())*(__builtin_inff())) : __isinfl (-(__builtin_inff())*(__builtin_inff()))))) VAL [d=0.0] [L995] COND FALSE !(!((__builtin_inff())*(__builtin_inff())>0)) VAL [d=0.0] [L996] COND FALSE !(!(-(__builtin_inff())*(__builtin_inff())<0)) VAL [d=0.0] [L997] COND FALSE !(!((sizeof ((__builtin_nanf (""))*d) == sizeof (float) ? __isnanf ((__builtin_nanf (""))*d) : sizeof ((__builtin_nanf (""))*d) == sizeof (double) ? __isnan ((__builtin_nanf (""))*d) : __isnanl ((__builtin_nanf (""))*d)))) VAL [d=0.0] [L998] COND FALSE !(!((sizeof ((__builtin_nanf (""))*(__builtin_inff())) == sizeof (float) ? __isnanf ((__builtin_nanf (""))*(__builtin_inff())) : sizeof ((__builtin_nanf (""))*(__builtin_inff())) == sizeof (double) ? __isnan ((__builtin_nanf (""))*(__builtin_inff())) : __isnanl ((__builtin_nanf (""))*(__builtin_inff()))))) VAL [d=0.0] [L999] COND FALSE !(!((sizeof ((__builtin_inff())*0) == sizeof (float) ? __isnanf ((__builtin_inff())*0) : sizeof ((__builtin_inff())*0) == sizeof (double) ? __isnan ((__builtin_inff())*0) : __isnanl ((__builtin_inff())*0)))) VAL [d=0.0] [L1000] COND TRUE !((sizeof (1.0*-0.0) == sizeof (float) ? __signbitf (1.0*-0.0) : sizeof (1.0*-0.0) == sizeof (double) ? __signbit (1.0*-0.0) : __signbitl (1.0*-0.0))) [L1000] reach_error() VAL [d=0.0] - UnprovableResult [Line: 971]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 972]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 973]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 975]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 976]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 979]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 980]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 981]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 982]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 983]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 986]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 987]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 988]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 989]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 990]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 993]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 994]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 995]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 996]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 999]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1001]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1004]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1008]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1011]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1012]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1014]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1015]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1016]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1017]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1018]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1019]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 118 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:37:20,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b3482c-45fd-4404-81d4-08ead2c7e2e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample