./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd --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 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:26:57,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:26:57,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:26:57,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:26:57,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:26:57,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:26:57,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:26:57,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:26:57,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:26:57,666 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:26:57,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:26:57,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:26:57,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:26:57,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:26:57,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:26:57,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:26:57,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:26:57,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:26:57,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:26:57,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:26:57,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:26:57,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:26:57,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:26:57,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:26:57,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:26:57,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:26:57,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:26:57,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:57,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:26:57,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:26:57,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:26:57,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:26:57,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:26:57,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:26:57,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:26:57,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:26:57,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:26:57,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2024-11-13 14:26:58,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:26:58,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:26:58,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:26:58,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:26:58,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:26:58,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i Unable to find full path for "g++" [2024-11-13 14:27:00,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:27:01,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:27:01,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2024-11-13 14:27:01,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/37992100a/e7c836e5a5c64b88a9df7f14e72485c5/FLAG76cb39877 [2024-11-13 14:27:01,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/37992100a/e7c836e5a5c64b88a9df7f14e72485c5 [2024-11-13 14:27:01,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:27:01,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:27:01,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:27:01,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:27:01,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:27:01,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:01" (1/1) ... [2024-11-13 14:27:01,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aeab5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:01, skipping insertion in model container [2024-11-13 14:27:01,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:01" (1/1) ... [2024-11-13 14:27:01,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:27:02,111 WARN L250 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_507a94bf-1020-4649-883f-b85928f8f89a/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2024-11-13 14:27:02,122 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) 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:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1616) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1516) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 14:27:02,137 INFO L158 Benchmark]: Toolchain (without parser) took 961.30ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.1MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:27:02,139 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:27:02,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.06ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:27:02,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.06ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd --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 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:27:05,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:27:05,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:27:05,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:27:05,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:27:05,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:27:05,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:27:05,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:27:05,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:27:05,625 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:27:05,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:27:05,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:27:05,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:27:05,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:27:05,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:27:05,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:27:05,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:27:05,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:27:05,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:27:05,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:27:05,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:27:05,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:27:05,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:27:05,632 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2024-11-13 14:27:06,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:27:06,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:27:06,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:27:06,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:27:06,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:27:06,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i Unable to find full path for "g++" [2024-11-13 14:27:08,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:27:08,825 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:27:08,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2024-11-13 14:27:08,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/c518bcae0/ee057fcf60754f338b9fef98162078ba/FLAG7e14dd003 [2024-11-13 14:27:08,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/data/c518bcae0/ee057fcf60754f338b9fef98162078ba [2024-11-13 14:27:08,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:27:08,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:27:08,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:27:08,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:27:08,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:27:08,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:08" (1/1) ... [2024-11-13 14:27:08,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232f27ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:08, skipping insertion in model container [2024-11-13 14:27:08,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:08" (1/1) ... [2024-11-13 14:27:08,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:27:09,915 WARN L250 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_507a94bf-1020-4649-883f-b85928f8f89a/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2024-11-13 14:27:09,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:27:09,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:27:10,000 WARN L250 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_507a94bf-1020-4649-883f-b85928f8f89a/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2024-11-13 14:27:10,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:27:10,176 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:27:10,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10 WrapperNode [2024-11-13 14:27:10,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:27:10,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:27:10,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:27:10,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:27:10,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,255 INFO L138 Inliner]: procedures = 448, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-13 14:27:10,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:27:10,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:27:10,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:27:10,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:27:10,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,280 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-13 14:27:10,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:27:10,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:27:10,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:27:10,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:27:10,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (1/1) ... [2024-11-13 14:27:10,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:27:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:10,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:27:10,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:27:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:27:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 14:27:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:27:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:27:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:27:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:27:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:27:10,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:27:10,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:27:10,611 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 14:27:10,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:27:10,623 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:27:10,623 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:27:10,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:27:10 BoogieIcfgContainer [2024-11-13 14:27:10,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:27:10,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:27:10,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:27:10,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:27:10,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:27:08" (1/3) ... [2024-11-13 14:27:10,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ece1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:27:10, skipping insertion in model container [2024-11-13 14:27:10,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:10" (2/3) ... [2024-11-13 14:27:10,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ece1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:27:10, skipping insertion in model container [2024-11-13 14:27:10,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:27:10" (3/3) ... [2024-11-13 14:27:10,640 INFO L112 eAbstractionObserver]: Analyzing ICFG fabs.i [2024-11-13 14:27:10,657 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:27:10,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fabs.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 14:27:10,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:27:10,741 INFO L333 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, 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;@7819bd9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:27:10,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:27:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 14:27:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 14:27:10,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:10,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 14:27:10,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:10,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:10,765 INFO L85 PathProgramCache]: Analyzing trace with hash 890047930, now seen corresponding path program 1 times [2024-11-13 14:27:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:27:10,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011992525] [2024-11-13 14:27:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:10,784 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 [2024-11-13 14:27:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:27:10,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:27:10,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:27:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:10,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:27:10,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:27:11,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:11,120 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:27:11,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011992525] [2024-11-13 14:27:11,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011992525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:11,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:11,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:27:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146809866] [2024-11-13 14:27:11,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:11,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:11,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:27:11,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:11,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:11,153 INFO L87 Difference]: Start difference. First operand has 17 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:27:11,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:11,283 INFO L93 Difference]: Finished difference Result 29 states and 44 transitions. [2024-11-13 14:27:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:11,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 14:27:11,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:11,292 INFO L225 Difference]: With dead ends: 29 [2024-11-13 14:27:11,292 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:27:11,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:27:11,300 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:11,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:27:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:27:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:27:11,321 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) [2024-11-13 14:27:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:27:11,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2024-11-13 14:27:11,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:11,326 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:27:11,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:27:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:27:11,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:27:11,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:27:11,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:27:11,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:27:11,536 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:27:11,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:27:11,576 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:27:11,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-13 14:27:11,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-13 14:27:11,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-13 14:27:11,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-13 14:27:11,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-13 14:27:11,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-13 14:27:11,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-13 14:27:11,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-13 14:27:11,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-13 14:27:11,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-13 14:27:11,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:27:11 BoogieIcfgContainer [2024-11-13 14:27:11,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:27:11,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:27:11,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:27:11,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:27:11,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:27:10" (3/4) ... [2024-11-13 14:27:11,613 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:27:11,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 14:27:11,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 14:27:11,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 14:27:11,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 14:27:11,626 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:27:11,626 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:27:11,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:27:11,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:27:11,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:27:11,733 INFO L158 Benchmark]: Toolchain (without parser) took 2848.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 51.3MB in the end (delta: 39.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-13 14:27:11,733 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:27:11,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.04ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 46.7MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:27:11,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.88ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 91.4MB in the end (delta: -44.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 14:27:11,734 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:27:11,734 INFO L158 Benchmark]: RCFGBuilder took 327.93ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:27:11,735 INFO L158 Benchmark]: TraceAbstraction took 980.57ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 55.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:27:11,736 INFO L158 Benchmark]: Witness Printer took 122.41ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 51.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:27:11,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.04ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 46.7MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.88ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 91.4MB in the end (delta: -44.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.93ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 980.57ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 55.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 122.41ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 51.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ * 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: 878]: 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 11 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 878]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 == cond) Ensures: ((1 == cond) && ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 14:27:11,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507a94bf-1020-4649-883f-b85928f8f89a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE