./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya --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 232f7a655f6f2994683ec37dc98df7be72a1a46c6fd6dbf6a1ff9fd35a64400c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:12:47,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:12:47,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:12:47,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:12:47,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:12:47,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:12:47,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:12:47,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:12:47,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:12:47,553 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:12:47,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:12:47,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:12:47,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:12:47,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:12:47,556 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:12:47,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:12:47,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:12:47,557 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:12:47,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:12:47,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:12:47,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:12:47,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:12:47,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:12:47,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:12:47,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:12:47,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:12:47,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:12:47,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:12:47,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:12:47,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:12:47,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:12:47,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:47,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:12:47,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:12:47,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:12:47,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:12:47,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:12:47,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:12:47,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:12:47,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:12:47,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:12:47,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:12:47,587 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_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232f7a655f6f2994683ec37dc98df7be72a1a46c6fd6dbf6a1ff9fd35a64400c [2023-11-29 02:12:47,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:12:47,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:12:47,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:12:47,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:12:47,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:12:47,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2023-11-29 02:12:50,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:12:50,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:12:50,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2023-11-29 02:12:50,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/ba6dd239c/753d8a85e15a4fa080cd49b6c0161ccf/FLAG21be7acd6 [2023-11-29 02:12:50,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/ba6dd239c/753d8a85e15a4fa080cd49b6c0161ccf [2023-11-29 02:12:50,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:12:50,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:12:50,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:50,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:12:50,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:12:50,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:50,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689e63a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50, skipping insertion in model container [2023-11-29 02:12:50,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:50,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:12:50,924 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_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2023-11-29 02:12:50,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:50,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:12:50,978 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2023-11-29 02:12:50,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:50,994 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:12:50,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50 WrapperNode [2023-11-29 02:12:50,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:50,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:50,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:12:50,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:12:51,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,042 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 272 [2023-11-29 02:12:51,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:51,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:12:51,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:12:51,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:12:51,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,079 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2023-11-29 02:12:51,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:12:51,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:12:51,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:12:51,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:12:51,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (1/1) ... [2023-11-29 02:12:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:51,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:12:51,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 02:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 02:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 02:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 02:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 02:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 02:12:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 02:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 02:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 02:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 02:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 02:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 02:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 02:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 02:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 02:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:12:51,316 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:12:51,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:12:51,588 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:12:51,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:12:51,616 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 02:12:51,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:12:51 BoogieIcfgContainer [2023-11-29 02:12:51,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:12:51,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:12:51,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:12:51,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:12:51,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:12:50" (1/3) ... [2023-11-29 02:12:51,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5684e913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:12:51, skipping insertion in model container [2023-11-29 02:12:51,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:50" (2/3) ... [2023-11-29 02:12:51,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5684e913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:12:51, skipping insertion in model container [2023-11-29 02:12:51,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:12:51" (3/3) ... [2023-11-29 02:12:51,626 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2023-11-29 02:12:51,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:12:51,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:12:51,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:12:51,693 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;@40ba09f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:12:51,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:12:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 56 states have (on average 1.7321428571428572) internal successors, (97), 57 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 02:12:51,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:51,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:51,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:12:51,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:51,707 INFO L85 PathProgramCache]: Analyzing trace with hash 969791765, now seen corresponding path program 1 times [2023-11-29 02:12:51,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:51,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956322983] [2023-11-29 02:12:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:51,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956322983] [2023-11-29 02:12:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956322983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:51,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:12:51,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629937831] [2023-11-29 02:12:51,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:51,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:12:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:51,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:12:51,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:12:51,912 INFO L87 Difference]: Start difference. First operand has 58 states, 56 states have (on average 1.7321428571428572) internal successors, (97), 57 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:51,941 INFO L93 Difference]: Finished difference Result 114 states and 191 transitions. [2023-11-29 02:12:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:12:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 02:12:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:51,951 INFO L225 Difference]: With dead ends: 114 [2023-11-29 02:12:51,951 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 02:12:51,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:12:51,956 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:51,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 02:12:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 02:12:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2023-11-29 02:12:51,986 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 8 [2023-11-29 02:12:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:51,986 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2023-11-29 02:12:51,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-11-29 02:12:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:12:51,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:51,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:51,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:12:51,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:12:51,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:51,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2071836355, now seen corresponding path program 1 times [2023-11-29 02:12:51,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:51,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162767132] [2023-11-29 02:12:51,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:51,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:12:52,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:12:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:12:52,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:12:52,081 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:12:52,083 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:12:52,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:12:52,087 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:12:52,089 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:12:52,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:12:52 BoogieIcfgContainer [2023-11-29 02:12:52,112 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:12:52,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:12:52,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:12:52,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:12:52,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:12:51" (3/4) ... [2023-11-29 02:12:52,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:12:52,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:12:52,116 INFO L158 Benchmark]: Toolchain (without parser) took 1395.47ms. Allocated memory is still 195.0MB. Free memory was 167.2MB in the beginning and 139.5MB in the end (delta: 27.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-29 02:12:52,116 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:12:52,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.10ms. Allocated memory is still 195.0MB. Free memory was 167.0MB in the beginning and 157.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-29 02:12:52,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.65ms. Allocated memory is still 195.0MB. Free memory was 157.0MB in the beginning and 154.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:12:52,118 INFO L158 Benchmark]: Boogie Preprocessor took 68.39ms. Allocated memory is still 195.0MB. Free memory was 154.5MB in the beginning and 150.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:12:52,118 INFO L158 Benchmark]: RCFGBuilder took 504.27ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 125.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 02:12:52,118 INFO L158 Benchmark]: TraceAbstraction took 492.76ms. Allocated memory is still 195.0MB. Free memory was 124.3MB in the beginning and 139.5MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:12:52,119 INFO L158 Benchmark]: Witness Printer took 3.05ms. Allocated memory is still 195.0MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:12:52,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.10ms. Allocated memory is still 195.0MB. Free memory was 167.0MB in the beginning and 157.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.65ms. Allocated memory is still 195.0MB. Free memory was 157.0MB in the beginning and 154.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.39ms. Allocated memory is still 195.0MB. Free memory was 154.5MB in the beginning and 150.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 504.27ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 125.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 492.76ms. Allocated memory is still 195.0MB. Free memory was 124.3MB in the beginning and 139.5MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.05ms. Allocated memory is still 195.0MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 194]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 104, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 121. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L100-L108] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L186] float x = __VERIFIER_nondet_float(); [L188] COND TRUE x < -1.0f || x > 1.0f [L190] CALL, EXPR __ieee754_asinf(x) [L111] float t, w, p, q, c, r, s; [L112] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000009, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L114] ieee_float_shape_type gf_u; [L115] EXPR gf_u.value = (x) [L116] EXPR gf_u.word [L116] EXPR (hx) = gf_u.word [L113-L117] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=1000000000000000000000000000009, huge_asin=1000000000000000000000000000000, hx=-1082130432, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L118] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000009, huge_asin=1000000000000000000000000000000, hx=-1082130432, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L119] COND TRUE ix == 0x3f800000 [L121] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000009, huge_asin=1000000000000000000000000000000, hx=-1082130432, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L190] RET, EXPR __ieee754_asinf(x) [L190] float res = __ieee754_asinf(x); [L193] CALL, EXPR isnan_float(res) [L15] return x != x; [L193] RET, EXPR isnan_float(res) [L193] COND TRUE !isnan_float(res) [L194] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000010, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 74 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:12:52,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya --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 232f7a655f6f2994683ec37dc98df7be72a1a46c6fd6dbf6a1ff9fd35a64400c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:12:54,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:12:54,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:12:54,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:12:54,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:12:54,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:12:54,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:12:54,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:12:54,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:12:54,143 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:12:54,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:12:54,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:12:54,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:12:54,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:12:54,145 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:12:54,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:12:54,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:12:54,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:12:54,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:12:54,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:12:54,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:12:54,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:12:54,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:12:54,150 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:12:54,150 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:12:54,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:12:54,151 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:12:54,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:12:54,152 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:12:54,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:12:54,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:12:54,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:12:54,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:12:54,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:54,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:12:54,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:12:54,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:12:54,154 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:12:54,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:12:54,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:12:54,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:12:54,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:12:54,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:12:54,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:12:54,156 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:12:54,156 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_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232f7a655f6f2994683ec37dc98df7be72a1a46c6fd6dbf6a1ff9fd35a64400c [2023-11-29 02:12:54,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:12:54,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:12:54,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:12:54,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:12:54,481 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:12:54,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2023-11-29 02:12:57,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:12:57,484 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:12:57,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2023-11-29 02:12:57,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/35a1dd8f9/13661989aac548428f1d6bb53b9587a8/FLAGa34ae7db1 [2023-11-29 02:12:57,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/data/35a1dd8f9/13661989aac548428f1d6bb53b9587a8 [2023-11-29 02:12:57,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:12:57,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:12:57,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:57,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:12:57,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:12:57,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144805e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57, skipping insertion in model container [2023-11-29 02:12:57,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:12:57,750 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_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2023-11-29 02:12:57,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:57,770 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:12:57,812 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_eeb12bb8-8a70-4077-af92-3061ac325f77/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2023-11-29 02:12:57,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:57,831 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:12:57,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57 WrapperNode [2023-11-29 02:12:57,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:57,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:57,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:12:57,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:12:57,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,884 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 251 [2023-11-29 02:12:57,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:57,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:12:57,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:12:57,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:12:57,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,921 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2023-11-29 02:12:57,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:12:57,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:12:57,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:12:57,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:12:57,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (1/1) ... [2023-11-29 02:12:57,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:57,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:57,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:12:57,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:12:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:12:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:12:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:12:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 02:12:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 02:12:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 02:12:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 02:12:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 02:12:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 02:12:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 02:12:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 02:12:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-29 02:12:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-29 02:12:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 02:12:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 02:12:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 02:12:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:12:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:12:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 02:12:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-29 02:12:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-29 02:12:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 02:12:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 02:12:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 02:12:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 02:12:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 02:12:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 02:12:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 02:12:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 02:12:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:12:58,172 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:12:58,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:13:17,913 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:13:17,938 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:13:17,938 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 02:13:17,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:17 BoogieIcfgContainer [2023-11-29 02:13:17,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:13:17,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:13:17,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:13:17,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:13:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:12:57" (1/3) ... [2023-11-29 02:13:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e72462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:17, skipping insertion in model container [2023-11-29 02:13:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:57" (2/3) ... [2023-11-29 02:13:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e72462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:17, skipping insertion in model container [2023-11-29 02:13:17,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:17" (3/3) ... [2023-11-29 02:13:17,944 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2023-11-29 02:13:17,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:13:17,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:13:17,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:13:17,995 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;@18aa10a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:13:17,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:13:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 51 states have (on average 1.7254901960784315) internal successors, (88), 52 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 02:13:18,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:18,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:18,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:13:18,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash -460163115, now seen corresponding path program 1 times [2023-11-29 02:13:18,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:13:18,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6446445] [2023-11-29 02:13:18,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:18,016 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 [2023-11-29 02:13:18,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:13:18,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:13:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:18,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:13:18,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:18,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:13:18,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:13:18,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6446445] [2023-11-29 02:13:18,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6446445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:18,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:18,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:13:18,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911861658] [2023-11-29 02:13:18,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:13:18,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:13:18,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:13:18,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:13:18,610 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.7254901960784315) internal successors, (88), 52 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:23,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:13:23,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:23,338 INFO L93 Difference]: Finished difference Result 104 states and 173 transitions. [2023-11-29 02:13:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:13:23,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 02:13:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:23,348 INFO L225 Difference]: With dead ends: 104 [2023-11-29 02:13:23,348 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 02:13:23,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:13:23,354 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:23,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 02:13:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 02:13:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 02:13:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-11-29 02:13:23,386 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 8 [2023-11-29 02:13:23,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:23,386 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-29 02:13:23,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-29 02:13:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:13:23,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:23,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:23,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:23,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:23,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:13:23,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:23,589 INFO L85 PathProgramCache]: Analyzing trace with hash 844887791, now seen corresponding path program 1 times [2023-11-29 02:13:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:13:23,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465417937] [2023-11-29 02:13:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:23,591 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 [2023-11-29 02:13:23,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:13:23,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:13:23,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:24,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:13:24,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:24,676 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:13:24,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:13:24,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465417937] [2023-11-29 02:13:24,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465417937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:24,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:24,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:13:24,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761949744] [2023-11-29 02:13:24,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:24,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:24,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:13:24,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:24,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:24,681 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:25,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:25,632 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2023-11-29 02:13:25,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:13:25,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:13:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:25,634 INFO L225 Difference]: With dead ends: 54 [2023-11-29 02:13:25,634 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:13:25,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:13:25,636 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:25,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:13:25,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:13:25,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:13:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2023-11-29 02:13:25,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 9 [2023-11-29 02:13:25,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:25,639 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2023-11-29 02:13:25,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-29 02:13:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:13:25,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:25,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:25,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:25,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:25,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:13:25,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash 417263703, now seen corresponding path program 1 times [2023-11-29 02:13:25,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:13:25,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599194343] [2023-11-29 02:13:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:25,842 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 [2023-11-29 02:13:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:13:25,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:13:25,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:26,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:13:26,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:29,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:13:29,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:13:29,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599194343] [2023-11-29 02:13:29,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599194343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:29,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:29,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:13:29,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775640590] [2023-11-29 02:13:29,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:29,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:29,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:13:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:29,664 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:34,378 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2023-11-29 02:13:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:13:34,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 02:13:34,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:34,379 INFO L225 Difference]: With dead ends: 11 [2023-11-29 02:13:34,379 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:13:34,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:13:34,381 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:34,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:13:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:13:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:13:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:13:34,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-11-29 02:13:34,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:34,383 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:13:34,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:13:34,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:13:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:13:34,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:34,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:13:34,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:13:34,718 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2023-11-29 02:13:34,718 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 139) no Hoare annotation was computed. [2023-11-29 02:13:34,718 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 73) no Hoare annotation was computed. [2023-11-29 02:13:34,719 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtf_returnLabel#1(lines 19 84) no Hoare annotation was computed. [2023-11-29 02:13:34,719 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2023-11-29 02:13:34,719 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2023-11-29 02:13:34,719 INFO L899 garLoopResultBuilder]: For program point __ieee754_asinf_returnLabel#1(lines 110 176) no Hoare annotation was computed. [2023-11-29 02:13:34,719 INFO L895 garLoopResultBuilder]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2023-11-29 02:13:34,719 INFO L899 garLoopResultBuilder]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 197) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 139) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L188-2(lines 188 197) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2023-11-29 02:13:34,720 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 160) the Hoare annotation is: false [2023-11-29 02:13:34,721 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2023-11-29 02:13:34,721 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2023-11-29 02:13:34,721 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2023-11-29 02:13:34,721 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2023-11-29 02:13:34,721 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2023-11-29 02:13:34,721 INFO L895 garLoopResultBuilder]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 139) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 139) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 138) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 96) no Hoare annotation was computed. [2023-11-29 02:13:34,722 INFO L895 garLoopResultBuilder]: At program point L92-1(lines 92 96) the Hoare annotation is: false [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 96) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 178 200) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 196) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2023-11-29 02:13:34,723 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-29 02:13:34,724 INFO L899 garLoopResultBuilder]: For program point L161(lines 161 165) no Hoare annotation was computed. [2023-11-29 02:13:34,724 INFO L895 garLoopResultBuilder]: At program point L161-1(lines 161 165) the Hoare annotation is: false [2023-11-29 02:13:34,724 INFO L899 garLoopResultBuilder]: For program point L161-2(lines 161 165) no Hoare annotation was computed. [2023-11-29 02:13:34,724 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:13:34,724 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2023-11-29 02:13:34,724 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_asinf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_asinf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2023-11-29 02:13:34,725 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2023-11-29 02:13:34,726 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 171) no Hoare annotation was computed. [2023-11-29 02:13:34,726 INFO L899 garLoopResultBuilder]: For program point L150-2(lines 110 176) no Hoare annotation was computed. [2023-11-29 02:13:34,726 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 74) no Hoare annotation was computed. [2023-11-29 02:13:34,729 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:13:34,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:13:34,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~32(~x, ~to_fp~32(currentRoundingMode, 1.0))) could not be translated [2023-11-29 02:13:34,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~32(~x, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)))) could not be translated [2023-11-29 02:13:34,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 02:13:34,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:13:34 BoogieIcfgContainer [2023-11-29 02:13:34,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:13:34,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:13:34,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:13:34,744 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:13:34,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:17" (3/4) ... [2023-11-29 02:13:34,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:13:34,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 02:13:34,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 02:13:34,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:13:34,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:13:34,854 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:13:34,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:13:34,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:13:34,856 INFO L158 Benchmark]: Toolchain (without parser) took 37345.99ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 63.7MB in the end (delta: 25.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,856 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:13:34,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.87ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 74.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.80ms. Allocated memory is still 111.1MB. Free memory was 74.3MB in the beginning and 72.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,857 INFO L158 Benchmark]: Boogie Preprocessor took 71.08ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 67.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,858 INFO L158 Benchmark]: RCFGBuilder took 19981.27ms. Allocated memory is still 111.1MB. Free memory was 67.5MB in the beginning and 69.0MB in the end (delta: -1.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,858 INFO L158 Benchmark]: TraceAbstraction took 16803.28ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 69.2MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:13:34,858 INFO L158 Benchmark]: Witness Printer took 111.48ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 63.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:13:34,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.87ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 74.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.80ms. Allocated memory is still 111.1MB. Free memory was 74.3MB in the beginning and 72.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.08ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 67.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 19981.27ms. Allocated memory is still 111.1MB. Free memory was 67.5MB in the beginning and 69.0MB in the end (delta: -1.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16803.28ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 69.2MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.48ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 63.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~32(~x, ~to_fp~32(currentRoundingMode, 1.0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~32(~x, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 194]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 74 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 26 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 5 QuantifiedInterpolants, 152 SizeOfPredicates, 12 NumberOfNonLiveVariables, 151 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-29 02:13:35,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb12bb8-8a70-4077-af92-3061ac325f77/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE