./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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_4a418af4-b9c1-49fc-acfe-caf191efba75/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 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:00:39,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:00:39,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:00:39,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:00:39,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:00:39,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:00:39,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:00:39,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:00:39,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:00:39,940 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:00:39,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:00:39,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:00:39,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:00:39,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:00:39,943 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:00:39,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:00:39,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:00:39,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:00:39,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:00:39,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:00:39,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:00:39,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:00:39,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:00:39,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:00:39,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:00:39,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:00:39,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:00:39,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:00:39,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:00:39,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:00:39,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:00:39,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:00:39,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:00:39,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:00:39,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:00:39,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:00:39,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:00:39,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:00:39,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:00:39,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:00:39,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:00:39,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:00:39,957 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_4a418af4-b9c1-49fc-acfe-caf191efba75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 [2023-11-29 03:00:40,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:00:40,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:00:40,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:00:40,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:00:40,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:00:40,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2023-11-29 03:00:43,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:00:43,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:00:43,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2023-11-29 03:00:43,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/618f935ec/9792c99652f140e589bc4f17d118f489/FLAG5708d1cff [2023-11-29 03:00:43,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/618f935ec/9792c99652f140e589bc4f17d118f489 [2023-11-29 03:00:43,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:00:43,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:00:43,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:00:43,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:00:43,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:00:43,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48469d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43, skipping insertion in model container [2023-11-29 03:00:43,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:00:43,769 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c[4225,4238] [2023-11-29 03:00:43,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:00:43,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:00:43,830 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_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c[4225,4238] [2023-11-29 03:00:43,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:00:43,848 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:00:43,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43 WrapperNode [2023-11-29 03:00:43,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:00:43,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:00:43,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:00:43,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:00:43,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,904 INFO L138 Inliner]: procedures = 18, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 279 [2023-11-29 03:00:43,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:00:43,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:00:43,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:00:43,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:00:43,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,948 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 03:00:43,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:00:43,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:00:43,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:00:43,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:00:43,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (1/1) ... [2023-11-29 03:00:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:00:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:00:44,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:00:44,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:00:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:00:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:00:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:00:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:00:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:00:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 03:00:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 03:00:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 03:00:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 03:00:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:00:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 03:00:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 03:00:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 03:00:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 03:00:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 03:00:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 03:00:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 03:00:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 03:00:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:00:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:00:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:00:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:00:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 03:00:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 03:00:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 03:00:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 03:00:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 03:00:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 03:00:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 03:00:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 03:00:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 03:00:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 03:00:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 03:00:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 03:00:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:00:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:00:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:00:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:00:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:00:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:00:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 03:00:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 03:00:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 03:00:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 03:00:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:00:44,205 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:00:44,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:00:44,580 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:00:44,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:00:44,612 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-29 03:00:44,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:00:44 BoogieIcfgContainer [2023-11-29 03:00:44,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:00:44,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:00:44,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:00:44,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:00:44,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:00:43" (1/3) ... [2023-11-29 03:00:44,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435040dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:00:44, skipping insertion in model container [2023-11-29 03:00:44,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:43" (2/3) ... [2023-11-29 03:00:44,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435040dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:00:44, skipping insertion in model container [2023-11-29 03:00:44,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:00:44" (3/3) ... [2023-11-29 03:00:44,624 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2023-11-29 03:00:44,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:00:44,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:00:44,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:00:44,709 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;@524ddc9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:00:44,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:00:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.736842105263158) internal successors, (99), 58 states have internal predecessors, (99), 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 03:00:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 03:00:44,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:00:44,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:00:44,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:00:44,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:00:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash 123789502, now seen corresponding path program 1 times [2023-11-29 03:00:44,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:00:44,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434803607] [2023-11-29 03:00:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:00:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:00:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:00:44,965 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 03:00:44,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:00:44,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434803607] [2023-11-29 03:00:44,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434803607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:00:44,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:00:44,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:00:44,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3326987] [2023-11-29 03:00:44,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:00:44,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:00:44,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:00:45,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:00:45,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:00:45,012 INFO L87 Difference]: Start difference. First operand has 59 states, 57 states have (on average 1.736842105263158) internal successors, (99), 58 states have internal predecessors, (99), 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 4.5) internal successors, (9), 2 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 03:00:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:00:45,046 INFO L93 Difference]: Finished difference Result 117 states and 197 transitions. [2023-11-29 03:00:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:00:45,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:00:45,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:00:45,056 INFO L225 Difference]: With dead ends: 117 [2023-11-29 03:00:45,057 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 03:00:45,059 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 03:00:45,063 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:00:45,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:00:45,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 03:00:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-29 03:00:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 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 03:00:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2023-11-29 03:00:45,100 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 9 [2023-11-29 03:00:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:00:45,100 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2023-11-29 03:00:45,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:00:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2023-11-29 03:00:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 03:00:45,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:00:45,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:00:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:00:45,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:00:45,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:00:45,103 INFO L85 PathProgramCache]: Analyzing trace with hash 225983355, now seen corresponding path program 1 times [2023-11-29 03:00:45,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:00:45,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572947320] [2023-11-29 03:00:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:00:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:00:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:00:45,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:00:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:00:45,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:00:45,239 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:00:45,240 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:00:45,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:00:45,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 03:00:45,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:00:45,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:00:45 BoogieIcfgContainer [2023-11-29 03:00:45,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:00:45,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:00:45,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:00:45,281 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:00:45,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:00:44" (3/4) ... [2023-11-29 03:00:45,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:00:45,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:00:45,286 INFO L158 Benchmark]: Toolchain (without parser) took 1734.83ms. Allocated memory is still 163.6MB. Free memory was 133.9MB in the beginning and 112.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-29 03:00:45,287 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:00:45,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.00ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 120.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:00:45,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.93ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 117.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:00:45,289 INFO L158 Benchmark]: Boogie Preprocessor took 79.10ms. Allocated memory is still 163.6MB. Free memory was 117.6MB in the beginning and 113.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:00:45,289 INFO L158 Benchmark]: RCFGBuilder took 627.66ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 89.4MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 03:00:45,290 INFO L158 Benchmark]: TraceAbstraction took 663.36ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 113.4MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:00:45,290 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 112.6MB in the end (delta: 809.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:00:45,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.00ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 120.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.93ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 117.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.10ms. Allocated memory is still 163.6MB. Free memory was 117.6MB in the beginning and 113.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 627.66ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 89.4MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 663.36ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 113.4MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 112.6MB in the end (delta: 809.0kB). 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: 169]: 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 someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L100-L103] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L105] static const float zero = 0.0; [L164] float x = 0.0f; [L165] CALL, EXPR __ieee754_log10f(x) [L108] float y, z; [L109] __int32_t i, k, hx; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=0, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=0, zero=0, zero_log=0] [L112] ieee_float_shape_type gf_u; [L113] EXPR gf_u.value = (x) [L114] EXPR gf_u.word [L114] EXPR (hx) = gf_u.word [L111-L115] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=0, hx=-2147483648, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=0, zero=0, zero_log=0] [L117] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=0, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=0, zero=0, zero_log=0] [L118] COND TRUE ((hx & 0x7fffffff) == 0) [L119] return -two25_log10 / zero; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=0, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=0, zero=0, zero_log=0] [L165] RET, EXPR __ieee754_log10f(x) [L165] float res = __ieee754_log10f(x); [L168] CALL, EXPR isinf_float(res) [L148] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=33554433, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554433, zero=0, zero_log=0] [L150] ieee_float_shape_type gf_u; [L151] EXPR gf_u.value = (x) [L152] EXPR gf_u.word [L152] EXPR (ix) = gf_u.word [L149-L153] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=33554433, ivln10_log10=43429449201/100000000000, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554433, zero=0, zero_log=0] [L154] ix &= 0x7fffffff [L155] return ((ix) == 0x7f800000L); [L168] RET, EXPR isinf_float(res) [L168] COND TRUE !isinf_float(res) [L169] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=33554433, two25_log10=33554432, two25_log=33554432, x=0, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 3 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=59occurred 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 03:00:45,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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_4a418af4-b9c1-49fc-acfe-caf191efba75/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 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:00:47,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:00:47,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:00:47,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:00:47,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:00:47,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:00:47,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:00:47,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:00:47,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:00:47,654 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:00:47,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:00:47,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:00:47,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:00:47,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:00:47,657 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:00:47,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:00:47,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:00:47,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:00:47,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:00:47,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:00:47,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:00:47,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:00:47,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:00:47,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:00:47,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:00:47,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:00:47,664 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:00:47,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:00:47,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:00:47,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:00:47,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:00:47,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:00:47,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:00:47,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:00:47,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:00:47,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:00:47,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:00:47,669 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:00:47,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:00:47,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:00:47,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:00:47,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:00:47,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:00:47,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:00:47,670 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:00:47,671 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_4a418af4-b9c1-49fc-acfe-caf191efba75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 [2023-11-29 03:00:47,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:00:48,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:00:48,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:00:48,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:00:48,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:00:48,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2023-11-29 03:00:51,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:00:51,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:00:51,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2023-11-29 03:00:51,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/9dd09fe8a/e2956198f8794afbbfd527d880f7adef/FLAG650cc41e8 [2023-11-29 03:00:51,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/data/9dd09fe8a/e2956198f8794afbbfd527d880f7adef [2023-11-29 03:00:51,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:00:51,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:00:51,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:00:51,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:00:51,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:00:51,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198508ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51, skipping insertion in model container [2023-11-29 03:00:51,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:00:51,747 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_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c[4225,4238] [2023-11-29 03:00:51,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:00:51,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:00:51,824 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_4a418af4-b9c1-49fc-acfe-caf191efba75/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c[4225,4238] [2023-11-29 03:00:51,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:00:51,849 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:00:51,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51 WrapperNode [2023-11-29 03:00:51,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:00:51,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:00:51,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:00:51,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:00:51,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,914 INFO L138 Inliner]: procedures = 21, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 225 [2023-11-29 03:00:51,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:00:51,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:00:51,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:00:51,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:00:51,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,959 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 03:00:51,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:51,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:00:51,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:00:51,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:00:51,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:00:52,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (1/1) ... [2023-11-29 03:00:52,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:00:52,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:00:52,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:00:52,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:00:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:00:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:00:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:00:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 03:00:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 03:00:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 03:00:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 03:00:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 03:00:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 03:00:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:00:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 03:00:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 03:00:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 03:00:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 03:00:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 03:00:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 03:00:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-29 03:00:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-29 03:00:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:00:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:00:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 03:00:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 03:00:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 03:00:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 03:00:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 03:00:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 03:00:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:00:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:00:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 03:00:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 03:00:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-29 03:00:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:00:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:00:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 03:00:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 03:00:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 03:00:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 03:00:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 03:00:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 03:00:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:00:52,231 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:00:52,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:01:27,433 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:01:27,453 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:01:27,454 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-29 03:01:27,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:01:27 BoogieIcfgContainer [2023-11-29 03:01:27,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:01:27,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:01:27,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:01:27,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:01:27,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:00:51" (1/3) ... [2023-11-29 03:01:27,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c4058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:01:27, skipping insertion in model container [2023-11-29 03:01:27,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:00:51" (2/3) ... [2023-11-29 03:01:27,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c4058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:01:27, skipping insertion in model container [2023-11-29 03:01:27,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:01:27" (3/3) ... [2023-11-29 03:01:27,462 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2023-11-29 03:01:27,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:01:27,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:01:27,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:01:27,521 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;@436a60c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:01:27,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:01:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 43 states have internal predecessors, (73), 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 03:01:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 03:01:27,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:01:27,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:01:27,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:01:27,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:01:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -224317378, now seen corresponding path program 1 times [2023-11-29 03:01:27,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:01:27,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752194838] [2023-11-29 03:01:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:01:27,556 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 03:01:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:01:27,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:27,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:01:28,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:01:28,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:01:28,328 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 03:01:28,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:01:28,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:01:28,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752194838] [2023-11-29 03:01:28,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752194838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:01:28,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:01:28,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:01:28,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077874551] [2023-11-29 03:01:28,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:01:28,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:01:28,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:01:28,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:01:28,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:01:28,372 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 43 states have internal predecessors, (73), 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 4.5) internal successors, (9), 2 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 03:01:28,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:01:28,430 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2023-11-29 03:01:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:01:28,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:01:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:01:28,448 INFO L225 Difference]: With dead ends: 87 [2023-11-29 03:01:28,449 INFO L226 Difference]: Without dead ends: 42 [2023-11-29 03:01:28,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 03:01:28,457 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:01:28,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:01:28,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-29 03:01:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-29 03:01:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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 03:01:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2023-11-29 03:01:28,493 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 9 [2023-11-29 03:01:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:01:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2023-11-29 03:01:28,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:01:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-29 03:01:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 03:01:28,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:01:28,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:01:28,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:28,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:28,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:01:28,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:01:28,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1668379451, now seen corresponding path program 1 times [2023-11-29 03:01:28,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:01:28,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572012025] [2023-11-29 03:01:28,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:01:28,703 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 03:01:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:01:28,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:28,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:01:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:01:29,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:01:29,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:01:29,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:01:29,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2023-11-29 03:01:30,080 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 03:01:30,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:01:30,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:01:30,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572012025] [2023-11-29 03:01:30,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572012025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:01:30,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:01:30,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:01:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102863151] [2023-11-29 03:01:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:01:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:01:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:01:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:01:30,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:01:30,086 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 03:01:33,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:34,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:38,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:42,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:46,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:50,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:01:54,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:00,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:04,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:08,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:12,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:16,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:17,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:22,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:25,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:29,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:33,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:37,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:41,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:44,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:48,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:52,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:02:56,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:00,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:04,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:08,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:10,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:14,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:18,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:22,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:26,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:30,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:03:30,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:03:30,955 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2023-11-29 03:03:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:03:30,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2023-11-29 03:03:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:03:31,000 INFO L225 Difference]: With dead ends: 49 [2023-11-29 03:03:31,001 INFO L226 Difference]: Without dead ends: 42 [2023-11-29 03:03:31,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:03:31,003 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 62 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:03:31,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 155 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 25 Unknown, 0 Unchecked, 120.4s Time] [2023-11-29 03:03:31,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-29 03:03:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-29 03:03:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 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 03:03:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2023-11-29 03:03:31,012 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 11 [2023-11-29 03:03:31,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:03:31,012 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2023-11-29 03:03:31,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 03:03:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-29 03:03:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 03:03:31,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:03:31,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:03:31,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:31,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:31,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:03:31,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:03:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1330584490, now seen corresponding path program 1 times [2023-11-29 03:03:31,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:03:31,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997961995] [2023-11-29 03:03:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:03:31,216 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 03:03:31,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:03:31,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:03:31,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:03:31,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:03:32,040 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 03:03:32,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:03:32,041 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:03:32,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997961995] [2023-11-29 03:03:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997961995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:03:32,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:03:32,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:03:32,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592644578] [2023-11-29 03:03:32,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:03:32,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:03:32,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:03:32,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:03:32,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:03:32,043 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 03:03:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:03:32,113 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2023-11-29 03:03:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:03:32,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2023-11-29 03:03:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:03:32,114 INFO L225 Difference]: With dead ends: 42 [2023-11-29 03:03:32,114 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:03:32,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:03:32,116 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:03:32,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:03:32,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:03:32,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:03:32,117 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 03:03:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:03:32,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-11-29 03:03:32,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:03:32,118 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:03:32,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 03:03:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:03:32,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:03:32,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:03:32,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:32,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/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 03:03:32,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 96) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 65) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 119) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 97) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 158 174) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 171) no Hoare annotation was computed. [2023-11-29 03:03:32,526 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2023-11-29 03:03:32,527 INFO L895 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2023-11-29 03:03:32,527 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2023-11-29 03:03:32,527 INFO L895 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_log10f_~x#1|) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 03:03:32,527 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2023-11-29 03:03:32,527 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L895 garLoopResultBuilder]: At program point L137-2(lines 137 141) the Hoare annotation is: false [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2023-11-29 03:03:32,528 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 47) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 39 47) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:03:32,529 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 132) no Hoare annotation was computed. [2023-11-29 03:03:32,530 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2023-11-29 03:03:32,530 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 74) no Hoare annotation was computed. [2023-11-29 03:03:32,530 INFO L899 garLoopResultBuilder]: For program point __ieee754_logf_returnLabel#1(lines 22 98) no Hoare annotation was computed. [2023-11-29 03:03:32,530 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2023-11-29 03:03:32,530 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 153) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 |ULTIMATE.start_isinf_float_~x#1|) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= .cse0 |ULTIMATE.start___ieee754_log10f_#res#1|) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 03:03:32,531 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2023-11-29 03:03:32,531 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2023-11-29 03:03:32,531 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 46) the Hoare annotation is: false [2023-11-29 03:03:32,531 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2023-11-29 03:03:32,531 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2023-11-29 03:03:32,531 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 30) the Hoare annotation is: false [2023-11-29 03:03:32,531 INFO L899 garLoopResultBuilder]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2023-11-29 03:03:32,532 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2023-11-29 03:03:32,532 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2023-11-29 03:03:32,532 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 55) no Hoare annotation was computed. [2023-11-29 03:03:32,532 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 73) no Hoare annotation was computed. [2023-11-29 03:03:32,532 INFO L899 garLoopResultBuilder]: For program point __ieee754_log10f_returnLabel#1(lines 107 144) no Hoare annotation was computed. [2023-11-29 03:03:32,532 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 36) no Hoare annotation was computed. [2023-11-29 03:03:32,536 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 03:03:32,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:03:32,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 03:03:32,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 03:03:32,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 03:03:32,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-29 03:03:32,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 03:03:32,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:03:32 BoogieIcfgContainer [2023-11-29 03:03:32,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:03:32,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:03:32,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:03:32,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:03:32,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:01:27" (3/4) ... [2023-11-29 03:03:32,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:03:32,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-29 03:03:32,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 03:03:32,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:03:32,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:03:32,680 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:03:32,680 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:03:32,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:03:32,681 INFO L158 Benchmark]: Toolchain (without parser) took 161223.36ms. Allocated memory is still 94.4MB. Free memory was 73.4MB in the beginning and 60.2MB in the end (delta: 13.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,681 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:03:32,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.89ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 58.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.79ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 56.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,683 INFO L158 Benchmark]: Boogie Preprocessor took 82.84ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 52.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,683 INFO L158 Benchmark]: RCFGBuilder took 35455.37ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 52.3MB in the end (delta: -113.8kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,683 INFO L158 Benchmark]: TraceAbstraction took 125097.98ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 66.6MB in the end (delta: -15.3MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,684 INFO L158 Benchmark]: Witness Printer took 125.68ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 60.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:03:32,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.89ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 58.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.79ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 56.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.84ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 52.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 35455.37ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 52.3MB in the end (delta: -113.8kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * TraceAbstraction took 125097.98ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 66.6MB in the end (delta: -15.3MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 125.68ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 60.2MB in the end (delta: 6.3MB). 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: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - 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: 169]: 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 125.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 121.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 120.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 119.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 66 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 14 NumberOfNonLiveVariables, 181 ConjunctsInSsa, 24 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: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-29 03:03:32,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a418af4-b9c1-49fc-acfe-caf191efba75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE