./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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_2aa99d47-004f-400c-93fa-072ef21b6407/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 c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:28,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:28,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:31:28,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:28,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:28,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:28,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:28,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:28,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:28,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:28,360 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:28,361 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:28,361 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:28,362 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:28,363 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:28,363 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:28,364 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:28,365 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:28,365 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:28,366 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:28,366 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:28,372 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:28,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:28,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:28,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:28,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:28,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:28,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:28,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:28,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:28,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:28,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:28,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:28,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:28,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:28,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:28,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:28,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:28,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:28,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:28,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:28,384 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:28,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:28,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:28,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:28,386 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:28,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:28,387 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_2aa99d47-004f-400c-93fa-072ef21b6407/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 [2023-11-23 21:31:28,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:28,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:28,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:28,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:28,736 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:28,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-11-23 21:31:32,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:32,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:32,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-11-23 21:31:32,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/edff697ef/861dd870546b41db8f5f7915a010980b/FLAG7de09a3a6 [2023-11-23 21:31:32,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/edff697ef/861dd870546b41db8f5f7915a010980b [2023-11-23 21:31:32,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:32,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:32,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:32,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:32,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:32,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:32" (1/1) ... [2023-11-23 21:31:32,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40332a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:32, skipping insertion in model container [2023-11-23 21:31:32,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:32" (1/1) ... [2023-11-23 21:31:32,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:33,195 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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:533) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java: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 21:31:33,201 INFO L158 Benchmark]: Toolchain (without parser) took 695.12ms. Allocated memory is still 207.6MB. Free memory was 157.4MB in the beginning and 144.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:31:33,202 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:33,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.69ms. Allocated memory is still 207.6MB. Free memory was 157.4MB in the beginning and 144.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:31:33,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.69ms. Allocated memory is still 207.6MB. Free memory was 157.4MB in the beginning and 144.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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_2aa99d47-004f-400c-93fa-072ef21b6407/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 c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:35,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:35,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:31:35,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:35,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:35,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:35,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:35,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:35,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:35,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:35,994 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:35,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:35,995 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:35,997 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:35,998 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:35,998 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:36,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:36,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:36,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:36,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:36,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:36,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:36,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:36,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:36,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:31:36,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:31:36,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:31:36,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:36,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:36,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:36,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:36,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:31:36,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:36,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:36,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:36,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:36,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:36,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:36,012 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:31:36,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:31:36,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:36,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:36,015 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:36,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:36,016 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_2aa99d47-004f-400c-93fa-072ef21b6407/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 [2023-11-23 21:31:36,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:36,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:36,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:36,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:36,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:36,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-11-23 21:31:39,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:40,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:40,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-11-23 21:31:40,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/6ce77e2c4/34ad3c2faf3b48849ea38b038e10a942/FLAGebabaa116 [2023-11-23 21:31:40,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/data/6ce77e2c4/34ad3c2faf3b48849ea38b038e10a942 [2023-11-23 21:31:40,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:40,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:40,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:40,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:40,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:40,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:40" (1/1) ... [2023-11-23 21:31:40,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c62264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:40, skipping insertion in model container [2023-11-23 21:31:40,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:40" (1/1) ... [2023-11-23 21:31:40,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:40,952 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2023-11-23 21:31:40,957 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2023-11-23 21:31:40,960 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2023-11-23 21:31:40,965 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2023-11-23 21:31:40,969 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2023-11-23 21:31:40,975 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2023-11-23 21:31:40,977 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2023-11-23 21:31:40,978 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2023-11-23 21:31:40,985 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2023-11-23 21:31:40,989 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2023-11-23 21:31:40,998 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2023-11-23 21:31:41,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:41,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:41,071 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2023-11-23 21:31:41,073 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2023-11-23 21:31:41,090 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2023-11-23 21:31:41,099 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2023-11-23 21:31:41,100 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2023-11-23 21:31:41,104 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2023-11-23 21:31:41,107 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2023-11-23 21:31:41,113 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2023-11-23 21:31:41,115 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2023-11-23 21:31:41,117 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2023-11-23 21:31:41,124 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_2aa99d47-004f-400c-93fa-072ef21b6407/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2023-11-23 21:31:41,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:41,310 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:41,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41 WrapperNode [2023-11-23 21:31:41,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:41,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:41,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:41,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:41,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,402 INFO L138 Inliner]: procedures = 449, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-11-23 21:31:41,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:41,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:41,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:41,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:41,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:41,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:41,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:41,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:41,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (1/1) ... [2023-11-23 21:31:41,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:41,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:41,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:41,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:31:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:41,683 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:41,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:41,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:41,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:41,972 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:31:41,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:41 BoogieIcfgContainer [2023-11-23 21:31:41,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:41,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:41,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:41,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:41,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:40" (1/3) ... [2023-11-23 21:31:41,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c14ece3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:41, skipping insertion in model container [2023-11-23 21:31:41,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:41" (2/3) ... [2023-11-23 21:31:41,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c14ece3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:41, skipping insertion in model container [2023-11-23 21:31:41,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:41" (3/3) ... [2023-11-23 21:31:41,987 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2023-11-23 21:31:42,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:42,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-23 21:31:42,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:42,088 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;@9b180a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:42,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-23 21:31:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 42 states have internal predecessors, (54), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:31:42,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:42,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:42,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:42,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1261957475, now seen corresponding path program 1 times [2023-11-23 21:31:42,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:42,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011165768] [2023-11-23 21:31:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:42,127 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 21:31:42,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:42,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:42,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:42,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:31:42,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:42,246 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 21:31:42,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:42,248 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:42,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011165768] [2023-11-23 21:31:42,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011165768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:42,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:42,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:31:42,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710549804] [2023-11-23 21:31:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:42,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:31:42,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:42,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:31:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:42,291 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 42 states have internal predecessors, (54), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:31:42,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:42,328 INFO L93 Difference]: Finished difference Result 96 states and 130 transitions. [2023-11-23 21:31:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:31:42,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-23 21:31:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:42,342 INFO L225 Difference]: With dead ends: 96 [2023-11-23 21:31:42,342 INFO L226 Difference]: Without dead ends: 47 [2023-11-23 21:31:42,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:42,351 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:42,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:31:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-23 21:31:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-23 21:31:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 40 states have internal predecessors, (40), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2023-11-23 21:31:42,401 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 8 [2023-11-23 21:31:42,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:42,401 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2023-11-23 21:31:42,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:31:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 21:31:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:31:42,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:42,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:42,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:42,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:42,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:42,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1260110433, now seen corresponding path program 1 times [2023-11-23 21:31:42,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:42,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297363146] [2023-11-23 21:31:42,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:42,610 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 21:31:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:42,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:42,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:31:42,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:42,991 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 21:31:42,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:42,992 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297363146] [2023-11-23 21:31:42,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297363146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:42,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:42,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846157026] [2023-11-23 21:31:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:42,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:42,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:42,997 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:31:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:43,105 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2023-11-23 21:31:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:31:43,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-23 21:31:43,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:43,108 INFO L225 Difference]: With dead ends: 47 [2023-11-23 21:31:43,108 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:31:43,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:31:43,111 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 32 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:43,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 95 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:43,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:31:43,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 21:31:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 34 states have internal predecessors, (34), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-11-23 21:31:43,121 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 8 [2023-11-23 21:31:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:43,122 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-11-23 21:31:43,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:31:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-23 21:31:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:31:43,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:43,124 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:43,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:43,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:43,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:43,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:43,328 INFO L85 PathProgramCache]: Analyzing trace with hash -597966222, now seen corresponding path program 1 times [2023-11-23 21:31:43,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:43,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154341226] [2023-11-23 21:31:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:43,330 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 21:31:43,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:43,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:43,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (4)] Waiting until timeout for monitored process [2023-11-23 21:31:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:43,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:31:43,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:31:43,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:43,425 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:43,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154341226] [2023-11-23 21:31:43,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154341226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:43,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:43,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:43,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963484211] [2023-11-23 21:31:43,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:43,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:43,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:43,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:43,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:43,428 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:31:43,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:43,530 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2023-11-23 21:31:43,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:31:43,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-23 21:31:43,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:43,533 INFO L225 Difference]: With dead ends: 41 [2023-11-23 21:31:43,533 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 21:31:43,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:31:43,535 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:43,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 89 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:43,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 21:31:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-23 21:31:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 30 states have internal predecessors, (30), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2023-11-23 21:31:43,548 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 17 [2023-11-23 21:31:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:43,549 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2023-11-23 21:31:43,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:31:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-23 21:31:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:31:43,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:43,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:43,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (4)] Ended with exit code 0 [2023-11-23 21:31:43,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:43,756 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:43,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:43,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1361809833, now seen corresponding path program 1 times [2023-11-23 21:31:43,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205308550] [2023-11-23 21:31:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:43,762 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 21:31:43,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:43,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:43,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (5)] Waiting until timeout for monitored process [2023-11-23 21:31:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:43,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:31:43,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:31:43,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:43,920 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:43,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205308550] [2023-11-23 21:31:43,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205308550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:43,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:43,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:43,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964845518] [2023-11-23 21:31:43,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:43,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:43,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:43,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:43,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:43,924 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:31:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:44,027 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2023-11-23 21:31:44,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:31:44,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2023-11-23 21:31:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:44,029 INFO L225 Difference]: With dead ends: 37 [2023-11-23 21:31:44,030 INFO L226 Difference]: Without dead ends: 31 [2023-11-23 21:31:44,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:31:44,032 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:44,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:44,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-23 21:31:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-23 21:31:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 24 states have internal predecessors, (24), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-11-23 21:31:44,041 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 25 [2023-11-23 21:31:44,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:44,042 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-11-23 21:31:44,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:31:44,043 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-23 21:31:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 21:31:44,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:44,045 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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 21:31:44,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:44,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:44,248 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:44,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -301914704, now seen corresponding path program 1 times [2023-11-23 21:31:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:44,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770603508] [2023-11-23 21:31:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:44,250 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 21:31:44,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:44,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:44,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:31:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:44,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:31:44,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 21:31:44,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:44,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:44,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770603508] [2023-11-23 21:31:44,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770603508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:44,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:44,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:44,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159727589] [2023-11-23 21:31:44,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:44,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:44,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:44,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:44,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:44,373 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:31:44,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:44,472 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2023-11-23 21:31:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:31:44,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2023-11-23 21:31:44,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:44,474 INFO L225 Difference]: With dead ends: 31 [2023-11-23 21:31:44,474 INFO L226 Difference]: Without dead ends: 27 [2023-11-23 21:31:44,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:31:44,475 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:44,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-23 21:31:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-23 21:31:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:31:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2023-11-23 21:31:44,482 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 34 [2023-11-23 21:31:44,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:44,482 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-23 21:31:44,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:31:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 21:31:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 21:31:44,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:44,484 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1] [2023-11-23 21:31:44,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:44,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:44,688 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-23 21:31:44,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:44,688 INFO L85 PathProgramCache]: Analyzing trace with hash -73560381, now seen corresponding path program 1 times [2023-11-23 21:31:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:44,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56444895] [2023-11-23 21:31:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:44,689 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 21:31:44,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:44,691 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:44,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (7)] Waiting until timeout for monitored process [2023-11-23 21:31:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:44,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:31:44,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-23 21:31:44,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:44,819 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:44,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56444895] [2023-11-23 21:31:44,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56444895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:44,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:44,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:44,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904076125] [2023-11-23 21:31:44,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:44,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:44,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:44,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:44,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:44,824 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 21:31:44,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:44,967 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2023-11-23 21:31:44,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:31:44,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2023-11-23 21:31:44,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:44,968 INFO L225 Difference]: With dead ends: 27 [2023-11-23 21:31:44,968 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:31:44,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:31:44,970 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:44,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 69 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:31:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:31:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:31:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 21:31:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:31:44,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-23 21:31:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:44,972 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:31:44,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 21:31:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:31:44,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:31:44,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2023-11-23 21:31:44,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2023-11-23 21:31:44,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2023-11-23 21:31:44,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2023-11-23 21:31:44,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2023-11-23 21:31:44,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2023-11-23 21:31:44,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2023-11-23 21:31:44,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2023-11-23 21:31:44,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2023-11-23 21:31:44,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2023-11-23 21:31:44,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2023-11-23 21:31:44,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 (7)] Ended with exit code 0 [2023-11-23 21:31:45,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/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 21:31:45,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 988) no Hoare annotation was computed. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point L989(line 989) no Hoare annotation was computed. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point L989-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2023-11-23 21:31:45,246 INFO L899 garLoopResultBuilder]: For program point L981(line 981) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L981-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L973-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L998-2(line 998) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2023-11-23 21:31:45,247 INFO L899 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point L990-2(line 990) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point L982(line 982) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point L982-2(line 982) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point L974(line 974) no Hoare annotation was computed. [2023-11-23 21:31:45,248 INFO L899 garLoopResultBuilder]: For program point L974-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,249 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (and (fp.isNormal |ULTIMATE.start_main_~d1~0#1|) (fp.isInfinite |ULTIMATE.start_main_~d2~0#1|) (fp.isNaN |ULTIMATE.start_main_~d3~0#1|) (or (fp.isNormal |ULTIMATE.start_main_~d4~0#1|) (fp.isSubnormal |ULTIMATE.start_main_~d4~0#1|) (fp.isZero |ULTIMATE.start_main_~d4~0#1|))) [2023-11-23 21:31:45,249 INFO L899 garLoopResultBuilder]: For program point L1003-1(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:31:45,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2023-11-23 21:31:45,249 INFO L895 garLoopResultBuilder]: At program point L987(line 987) the Hoare annotation is: (and (fp.isNormal |ULTIMATE.start_main_~d1~0#1|) (fp.isInfinite |ULTIMATE.start_main_~d2~0#1|)) [2023-11-23 21:31:45,249 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point L975(line 975) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point L975-2(line 975) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,250 INFO L895 garLoopResultBuilder]: At program point L996(line 996) the Hoare annotation is: (and (fp.isNormal |ULTIMATE.start_main_~d1~0#1|) (fp.isInfinite |ULTIMATE.start_main_~d2~0#1|) (fp.isNaN |ULTIMATE.start_main_~d3~0#1|)) [2023-11-23 21:31:45,250 INFO L899 garLoopResultBuilder]: For program point L996-1(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 989) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L899 garLoopResultBuilder]: For program point L988(line 988) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L899 garLoopResultBuilder]: For program point L988-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2023-11-23 21:31:45,251 INFO L895 garLoopResultBuilder]: At program point L980(line 980) the Hoare annotation is: (fp.isNormal |ULTIMATE.start_main_~d1~0#1|) [2023-11-23 21:31:45,252 INFO L899 garLoopResultBuilder]: For program point L980-1(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,252 INFO L902 garLoopResultBuilder]: At program point L972(line 972) the Hoare annotation is: true [2023-11-23 21:31:45,253 INFO L899 garLoopResultBuilder]: For program point L972-1(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,253 INFO L899 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2023-11-23 21:31:45,253 INFO L899 garLoopResultBuilder]: For program point L997-2(lines 968 1005) no Hoare annotation was computed. [2023-11-23 21:31:45,253 INFO L899 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2023-11-23 21:31:45,254 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2 4) the Hoare annotation is: true [2023-11-23 21:31:45,254 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-23 21:31:45,254 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2023-11-23 21:31:45,259 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 21:31:45,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:31:45,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:31:45 BoogieIcfgContainer [2023-11-23 21:31:45,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:31:45,270 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:31:45,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:31:45,270 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:31:45,271 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:41" (3/4) ... [2023-11-23 21:31:45,273 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:31:45,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:31:45,285 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:31:45,286 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:31:45,286 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:31:45,286 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:31:45,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:31:45,396 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:31:45,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:31:45,397 INFO L158 Benchmark]: Toolchain (without parser) took 5281.77ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 54.3MB in the beginning and 59.3MB in the end (delta: -5.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,397 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 5.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:45,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1195.68ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 45.4MB in the end (delta: 8.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.62ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,398 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,399 INFO L158 Benchmark]: RCFGBuilder took 511.50ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 67.7MB in the end (delta: -26.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,400 INFO L158 Benchmark]: TraceAbstraction took 3290.68ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 1.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,400 INFO L158 Benchmark]: Witness Printer took 126.73ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 59.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:31:45,405 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 58.7MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 5.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1195.68ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 45.4MB in the end (delta: 8.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.62ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.50ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 67.7MB in the end (delta: -26.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3290.68ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 1.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 126.73ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 59.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 973]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 974]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 975]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 981]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 982]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 988]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 989]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 259 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 181 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 30 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 80/80 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:31:45,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa99d47-004f-400c-93fa-072ef21b6407/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE