./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:58,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:58,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:05:58,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:58,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:58,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:58,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:58,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:58,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:58,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:58,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:58,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:58,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:58,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:58,824 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:58,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:58,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:58,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:58,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:58,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:58,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:58,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:58,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:58,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:58,828 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:58,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:58,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:58,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:58,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:58,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:58,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:58,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:58,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:58,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:58,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:58,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:58,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:58,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:58,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:58,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:58,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:58,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:58,837 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2023-11-21 22:05:59,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:59,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:59,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:59,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:59,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2023-11-21 22:06:02,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:02,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:02,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2023-11-21 22:06:02,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/1c12094dc/9cf5eb6b6ab84f75b6c30097f5aa6df3/FLAGeaee007b8 [2023-11-21 22:06:02,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/1c12094dc/9cf5eb6b6ab84f75b6c30097f5aa6df3 [2023-11-21 22:06:02,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:02,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:02,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:02,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:02,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:02,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:02" (1/1) ... [2023-11-21 22:06:02,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d106801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:02, skipping insertion in model container [2023-11-21 22:06:02,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:02" (1/1) ... [2023-11-21 22:06:02,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:03,369 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_d553230b-8d60-4f3d-8f2b-ddeb52767f08/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2023-11-21 22:06:03,379 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: isinf 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: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) [2023-11-21 22:06:03,385 INFO L158 Benchmark]: Toolchain (without parser) took 637.72ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 125.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:06:03,386 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:03,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.15ms. Allocated memory is still 172.0MB. Free memory was 138.6MB in the beginning and 125.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:06:03,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.15ms. Allocated memory is still 172.0MB. Free memory was 138.6MB in the beginning and 125.6MB in the end (delta: 12.9MB). 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:05,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:06,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:06:06,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:06,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:06,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:06,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:06,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:06,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:06,200 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:06,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:06,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:06,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:06,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:06,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:06,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:06,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:06,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:06,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:06,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:06,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:06,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:06,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:06,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:06:06,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:06:06,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:06:06,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:06,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:06,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:06,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:06,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:06,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:06,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:06,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:06,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:06,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:06,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:06,217 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:06:06,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:06:06,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:06,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:06,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:06,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:06,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:06,219 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:06:06,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2023-11-21 22:06:06,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:06,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:06,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:06,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:06,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:06,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2023-11-21 22:06:09,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:10,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:10,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2023-11-21 22:06:10,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/558ccbcad/880c13cf8b664c0ba70cac485dde125f/FLAG0cbf304cb [2023-11-21 22:06:10,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/data/558ccbcad/880c13cf8b664c0ba70cac485dde125f [2023-11-21 22:06:10,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:10,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:10,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:10,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:10,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:10,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:10" (1/1) ... [2023-11-21 22:06:10,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a77d9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:10, skipping insertion in model container [2023-11-21 22:06:10,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:10" (1/1) ... [2023-11-21 22:06:10,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:11,018 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_d553230b-8d60-4f3d-8f2b-ddeb52767f08/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2023-11-21 22:06:11,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:11,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:11,094 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_d553230b-8d60-4f3d-8f2b-ddeb52767f08/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2023-11-21 22:06:11,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:11,314 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:11,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11 WrapperNode [2023-11-21 22:06:11,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:11,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:11,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:11,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:11,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,399 INFO L138 Inliner]: procedures = 461, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-11-21 22:06:11,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:11,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:11,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:11,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:11,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,424 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,433 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:06:11,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:11,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:11,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:11,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:11,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (1/1) ... [2023-11-21 22:06:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:11,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:11,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:11,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:06:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:06:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:06:11,669 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:11,671 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:13,204 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:13,234 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:13,234 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:06:13,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:13 BoogieIcfgContainer [2023-11-21 22:06:13,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:13,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:13,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:13,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:13,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:10" (1/3) ... [2023-11-21 22:06:13,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0e911b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:13, skipping insertion in model container [2023-11-21 22:06:13,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:11" (2/3) ... [2023-11-21 22:06:13,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0e911b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:13, skipping insertion in model container [2023-11-21 22:06:13,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:13" (3/3) ... [2023-11-21 22:06:13,245 INFO L112 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2023-11-21 22:06:13,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:13,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:13,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:13,320 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=PETRI_NET, 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;@1f1533c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:13,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:06:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:06:13,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:13,333 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:13,333 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:13,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:13,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1209113043, now seen corresponding path program 1 times [2023-11-21 22:06:13,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:06:13,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427959258] [2023-11-21 22:06:13,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:13,352 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 [2023-11-21 22:06:13,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:06:13,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:06:13,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:06:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:15,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:06:15,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:42,517 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1)))) (and (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))))) is different from false [2023-11-21 22:06:57,028 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from false [2023-11-21 22:06:59,046 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from true [2023-11-21 22:06:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:06:59,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:06:59,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:06:59,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427959258] [2023-11-21 22:06:59,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427959258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:59,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:59,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:06:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691590379] [2023-11-21 22:06:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:59,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:06:59,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:06:59,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:06:59,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=25, Unknown=3, NotChecked=22, Total=72 [2023-11-21 22:06:59,086 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 9 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:07:01,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:04,297 WARN L854 $PredicateComparison]: unable to prove that (and (fp.lt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))) (fp.gt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1)))) (and (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-21 22:07:04,311 WARN L876 $PredicateComparison]: unable to prove that (and (fp.lt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))) (fp.gt |c_ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|))) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1)))) (and (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| .cse0) (fp.gt |ULTIMATE.start_main_~d~0#1| .cse1) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-21 22:07:04,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:04,334 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-21 22:07:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:07:04,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 13 [2023-11-21 22:07:04,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:04,341 INFO L225 Difference]: With dead ends: 14 [2023-11-21 22:07:04,341 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:07:04,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=24, Invalid=25, Unknown=5, NotChecked=36, Total=90 [2023-11-21 22:07:04,347 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:04,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 1 Unknown, 32 Unchecked, 3.1s Time] [2023-11-21 22:07:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:07:04,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:07:04,372 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) [2023-11-21 22:07:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:07:04,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-21 22:07:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:04,374 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:07:04,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:07:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:07:04,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:07:04,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:07:04,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-21 22:07:04,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:04,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:07:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:07:04,665 INFO L899 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2023-11-21 22:07:04,666 INFO L895 garLoopResultBuilder]: At program point L1016(line 1016) the Hoare annotation is: (and (not (fp.isNaN |ULTIMATE.start_main_~d~0#1|)) (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:07:04,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-21 22:07:04,666 INFO L895 garLoopResultBuilder]: At program point L1015(line 1015) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2023-11-21 22:07:04,666 INFO L895 garLoopResultBuilder]: At program point L1015-1(line 1015) the Hoare annotation is: (and (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:07:04,667 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-21 22:07:04,667 INFO L899 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2023-11-21 22:07:04,667 INFO L899 garLoopResultBuilder]: For program point L1008-3(line 1008) no Hoare annotation was computed. [2023-11-21 22:07:04,667 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:07:04,667 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 993 995) the Hoare annotation is: true [2023-11-21 22:07:04,667 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 993 995) no Hoare annotation was computed. [2023-11-21 22:07:04,695 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:07:04,699 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:04,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:04 BoogieIcfgContainer [2023-11-21 22:07:04,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:04,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:04,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:04,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:04,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:13" (3/4) ... [2023-11-21 22:07:04,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:07:04,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:07:04,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-21 22:07:04,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 22:07:04,725 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:07:04,725 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:04,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:07:04,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:07:04,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:04,834 INFO L158 Benchmark]: Toolchain (without parser) took 54627.91ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 70.8MB in the beginning and 86.9MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,834 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:04,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1107.70ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 70.9MB in the end (delta: -308.1kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.73ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,836 INFO L158 Benchmark]: Boogie Preprocessor took 60.74ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,836 INFO L158 Benchmark]: RCFGBuilder took 1771.66ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 55.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,839 INFO L158 Benchmark]: TraceAbstraction took 51472.02ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 91.7MB in the end (delta: -37.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,840 INFO L158 Benchmark]: Witness Printer took 122.04ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:04,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1107.70ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 70.9MB in the end (delta: -308.1kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.73ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.74ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1771.66ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 55.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 51472.02ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 91.7MB in the end (delta: -37.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 122.04ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.1MB). 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: 1008]: 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.4s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 32 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 21 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 43.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 2 QuantifiedInterpolants, 141 SizeOfPredicates, 8 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:04,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d553230b-8d60-4f3d-8f2b-ddeb52767f08/bin/uautomizer-verify-bycVGegfSx/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