./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:24:30,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:24:30,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:24:30,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:24:30,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:24:30,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:24:30,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:24:30,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:24:30,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:24:30,362 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:24:30,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:24:30,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:24:30,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:24:30,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:24:30,365 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:24:30,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:24:30,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:24:30,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:24:30,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:24:30,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:24:30,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:24:30,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:24:30,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:24:30,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:24:30,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:24:30,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:24:30,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:24:30,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:24:30,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:24:30,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:24:30,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:24:30,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:24:30,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:24:30,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:24:30,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:24:30,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:24:30,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:24:30,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:24:30,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:24:30,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:24:30,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:24:30,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:24:30,377 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_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-23 22:24:30,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:24:30,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:24:30,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:24:30,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:24:30,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:24:30,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-23 22:24:33,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:24:34,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:24:34,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-23 22:24:34,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/2105b6781/ced19fca72ab440ab9b5fae19050e5ac/FLAGc215b5bd6 [2023-11-23 22:24:34,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/2105b6781/ced19fca72ab440ab9b5fae19050e5ac [2023-11-23 22:24:34,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:24:34,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:24:34,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:24:34,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:24:34,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:24:34,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:24:34" (1/1) ... [2023-11-23 22:24:34,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e683dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:34, skipping insertion in model container [2023-11-23 22:24:34,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:24:34" (1/1) ... [2023-11-23 22:24:34,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:24:35,119 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java: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) [2023-11-23 22:24:35,133 INFO L158 Benchmark]: Toolchain (without parser) took 767.34ms. Allocated memory is still 165.7MB. Free memory was 120.3MB in the beginning and 106.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 22:24:35,133 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:24:35,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.68ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 106.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:24:35,136 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.68ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 106.6MB in the end (delta: 13.3MB). 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:24:37,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:24:37,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:24:37,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:24:37,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:24:37,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:24:37,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:24:37,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:24:37,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:24:37,843 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:24:37,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:24:37,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:24:37,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:24:37,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:24:37,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:24:37,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:24:37,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:24:37,849 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:24:37,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:24:37,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:24:37,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:24:37,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:24:37,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:24:37,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:24:37,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:24:37,854 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:24:37,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:24:37,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:24:37,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:24:37,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:24:37,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:24:37,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:24:37,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:24:37,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:24:37,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:24:37,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:24:37,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:24:37,861 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:24:37,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:24:37,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:24:37,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:24:37,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:24:37,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:24:37,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:24:37,864 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:24:37,865 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_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-23 22:24:38,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:24:38,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:24:38,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:24:38,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:24:38,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:24:38,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-23 22:24:41,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:24:41,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:24:41,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-23 22:24:41,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/38b4e334e/511db48601d34e27b5fc14de06b37dd9/FLAG607a8cb63 [2023-11-23 22:24:41,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/data/38b4e334e/511db48601d34e27b5fc14de06b37dd9 [2023-11-23 22:24:41,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:24:41,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:24:41,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:24:41,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:24:41,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:24:41,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:24:41" (1/1) ... [2023-11-23 22:24:41,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754658f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:41, skipping insertion in model container [2023-11-23 22:24:41,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:24:41" (1/1) ... [2023-11-23 22:24:42,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:24:42,759 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-23 22:24:42,764 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-23 22:24:42,765 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-23 22:24:42,766 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-23 22:24:42,768 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-23 22:24:42,769 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-23 22:24:42,770 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-23 22:24:42,771 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-23 22:24:42,772 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-23 22:24:42,774 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-23 22:24:42,775 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-23 22:24:42,777 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-23 22:24:42,778 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-23 22:24:42,779 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-23 22:24:42,780 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-23 22:24:42,782 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-23 22:24:42,783 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-23 22:24:42,783 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-23 22:24:42,785 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-23 22:24:42,786 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-23 22:24:42,787 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-23 22:24:42,788 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-23 22:24:42,789 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-23 22:24:42,791 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-23 22:24:42,793 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-23 22:24:42,794 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-23 22:24:42,795 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-23 22:24:42,797 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-23 22:24:42,797 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-23 22:24:42,798 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-23 22:24:42,799 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-23 22:24:42,800 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-23 22:24:42,803 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-23 22:24:42,805 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-23 22:24:42,806 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-23 22:24:42,807 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-23 22:24:42,811 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-23 22:24:42,812 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-23 22:24:42,813 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-23 22:24:42,813 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-23 22:24:42,815 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-23 22:24:42,816 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-23 22:24:42,817 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-23 22:24:42,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:24:42,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:24:42,889 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-23 22:24:42,890 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-23 22:24:42,891 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-23 22:24:42,891 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-23 22:24:42,892 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-23 22:24:42,893 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-23 22:24:42,893 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-23 22:24:42,894 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-23 22:24:42,894 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-23 22:24:42,895 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-23 22:24:42,896 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-23 22:24:42,896 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-23 22:24:42,897 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-23 22:24:42,897 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-23 22:24:42,898 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-23 22:24:42,899 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-23 22:24:42,899 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-23 22:24:42,900 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-23 22:24:42,901 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-23 22:24:42,901 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-23 22:24:42,902 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-23 22:24:42,906 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-23 22:24:42,907 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-23 22:24:42,908 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-23 22:24:42,909 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-23 22:24:42,909 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-23 22:24:42,910 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-23 22:24:42,911 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-23 22:24:42,912 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-23 22:24:42,912 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-23 22:24:42,913 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-23 22:24:42,913 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-23 22:24:42,914 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-23 22:24:42,915 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-23 22:24:42,915 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-23 22:24:42,916 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-23 22:24:42,917 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-23 22:24:42,917 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-23 22:24:42,918 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-23 22:24:42,918 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-23 22:24:42,919 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-23 22:24:42,919 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-23 22:24:42,920 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_3436749c-eb43-4365-9a7f-97a8e377646c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-23 22:24:42,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:24:43,039 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:24:43,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43 WrapperNode [2023-11-23 22:24:43,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:24:43,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:24:43,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:24:43,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:24:43,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,116 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2023-11-23 22:24:43,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:24:43,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:24:43,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:24:43,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:24:43,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,151 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,162 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:24:43,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:24:43,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:24:43,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:24:43,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:24:43,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (1/1) ... [2023-11-23 22:24:43,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:24:43,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:24:43,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:24:43,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:24:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:24:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:24:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:24:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:24:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:24:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:24:43,411 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:24:43,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:24:47,785 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:24:47,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:24:47,811 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:24:47,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:24:47 BoogieIcfgContainer [2023-11-23 22:24:47,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:24:47,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:24:47,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:24:47,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:24:47,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:24:41" (1/3) ... [2023-11-23 22:24:47,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a54389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:24:47, skipping insertion in model container [2023-11-23 22:24:47,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:24:43" (2/3) ... [2023-11-23 22:24:47,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a54389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:24:47, skipping insertion in model container [2023-11-23 22:24:47,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:24:47" (3/3) ... [2023-11-23 22:24:47,821 INFO L112 eAbstractionObserver]: Analyzing ICFG float4.i [2023-11-23 22:24:47,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:24:47,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-11-23 22:24:47,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:24:47,899 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;@3dbc4f36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:24:47,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-11-23 22:24:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 135 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:24:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 22:24:47,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:24:47,912 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:24:47,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-23 22:24:47,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:24:47,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1822043114, now seen corresponding path program 1 times [2023-11-23 22:24:47,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:24:47,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822130190] [2023-11-23 22:24:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:24:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:24:47,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:24:47,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:24:47,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 22:24:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:24:48,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:24:48,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:24:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 22:24:48,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:24:48,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:24:48,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822130190] [2023-11-23 22:24:48,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822130190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:24:48,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:24:48,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:24:48,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175898408] [2023-11-23 22:24:48,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:24:48,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:24:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:24:48,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:24:48,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:24:48,098 INFO L87 Difference]: Start difference. First operand has 139 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 135 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 22:24:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:24:48,138 INFO L93 Difference]: Finished difference Result 216 states and 305 transitions. [2023-11-23 22:24:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:24:48,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-23 22:24:48,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:24:48,148 INFO L225 Difference]: With dead ends: 216 [2023-11-23 22:24:48,149 INFO L226 Difference]: Without dead ends: 60 [2023-11-23 22:24:48,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:24:48,158 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:24:48,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:24:48,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-23 22:24:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-23 22:24:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 56 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:24:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2023-11-23 22:24:48,199 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 14 [2023-11-23 22:24:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:24:48,199 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2023-11-23 22:24:48,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 22:24:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2023-11-23 22:24:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 22:24:48,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:24:48,202 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:24:48,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:24:48,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:24:48,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-23 22:24:48,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:24:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1384415192, now seen corresponding path program 1 times [2023-11-23 22:24:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:24:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145729447] [2023-11-23 22:24:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:24:48,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:24:48,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:24:48,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:24:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 22:24:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:24:49,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 22:24:49,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:24:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 22:24:49,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:24:49,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:24:49,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145729447] [2023-11-23 22:24:49,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145729447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:24:49,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:24:49,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:24:49,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026035535] [2023-11-23 22:24:49,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:24:49,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:24:49,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:24:49,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:24:49,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:24:49,673 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:24:52,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:24:54,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:24:56,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:24:58,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:00,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:02,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:04,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:06,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:08,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:10,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:12,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:14,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:25:14,707 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2023-11-23 22:25:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:25:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2023-11-23 22:25:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:25:14,722 INFO L225 Difference]: With dead ends: 60 [2023-11-23 22:25:14,722 INFO L226 Difference]: Without dead ends: 42 [2023-11-23 22:25:14,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 22:25:14,725 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 68 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:25:14,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 22 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 12 Unknown, 0 Unchecked, 24.9s Time] [2023-11-23 22:25:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-23 22:25:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-23 22:25:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 38 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:25:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2023-11-23 22:25:14,732 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 15 [2023-11-23 22:25:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:25:14,733 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2023-11-23 22:25:14,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:25:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2023-11-23 22:25:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 22:25:14,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:25:14,735 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:25:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 22:25:14,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:25:14,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-23 22:25:14,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:25:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash -60160488, now seen corresponding path program 1 times [2023-11-23 22:25:14,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:25:14,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694646403] [2023-11-23 22:25:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:25:14,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:25:14,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:25:14,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:25:14,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 22:25:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:25:17,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:25:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:25:26,535 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from false [2023-11-23 22:25:28,540 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from true [2023-11-23 22:25:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 22:25:28,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:25:28,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:25:28,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694646403] [2023-11-23 22:25:28,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694646403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:25:28,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:25:28,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:25:28,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626279951] [2023-11-23 22:25:28,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:25:28,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:25:28,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:25:28,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:25:28,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2023-11-23 22:25:28,544 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 22:25:30,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:32,829 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse1) .cse1)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-23 22:25:34,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:37,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:39,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:25:39,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:25:39,552 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2023-11-23 22:25:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:25:39,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2023-11-23 22:25:39,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:25:39,565 INFO L225 Difference]: With dead ends: 42 [2023-11-23 22:25:39,565 INFO L226 Difference]: Without dead ends: 40 [2023-11-23 22:25:39,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2023-11-23 22:25:39,566 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:25:39,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 14 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 4 Unknown, 40 Unchecked, 9.0s Time] [2023-11-23 22:25:39,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-23 22:25:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 22:25:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 36 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:25:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2023-11-23 22:25:39,574 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 31 [2023-11-23 22:25:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:25:39,575 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2023-11-23 22:25:39,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 22:25:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2023-11-23 22:25:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 22:25:39,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:25:39,577 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:25:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-23 22:25:39,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:25:39,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-11-23 22:25:39,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:25:39,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1864970914, now seen corresponding path program 1 times [2023-11-23 22:25:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:25:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178758920] [2023-11-23 22:25:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:25:39,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:25:39,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:25:39,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:25:39,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3436749c-eb43-4365-9a7f-97a8e377646c/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 22:25:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:25:40,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:25:40,241 INFO L285 TraceCheckSpWp]: Computing forward predicates...