./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/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_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/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_803bf4da-0822-471a-b70b-8303c2c1a61b/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:26:44,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:26:44,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:26:44,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:26:44,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:26:44,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:26:44,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:26:44,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:26:44,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:26:44,331 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:26:44,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:26:44,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:26:44,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:26:44,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:26:44,334 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:26:44,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:26:44,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:26:44,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:26:44,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:26:44,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:26:44,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:26:44,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:26:44,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:26:44,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:26:44,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:26:44,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:26:44,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:26:44,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:26:44,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:26:44,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:26:44,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:26:44,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:44,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:26:44,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:26:44,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:26:44,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:26:44,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:26:44,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:26:44,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:26:44,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:26:44,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:26:44,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:26:44,347 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_803bf4da-0822-471a-b70b-8303c2c1a61b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2023-11-29 02:26:44,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:26:44,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:26:44,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:26:44,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:26:44,601 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:26:44,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:47,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:26:47,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:26:47,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:47,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/9c2fb6439/c156834bc3e64bd0a215b7bd1f247034/FLAGa976aa633 [2023-11-29 02:26:47,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/9c2fb6439/c156834bc3e64bd0a215b7bd1f247034 [2023-11-29 02:26:47,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:26:47,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:26:47,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:47,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:26:47,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:26:47,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de959aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47, skipping insertion in model container [2023-11-29 02:26:47,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:26:47,631 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_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2023-11-29 02:26:47,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:47,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:26:47,668 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_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2023-11-29 02:26:47,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:47,686 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:26:47,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47 WrapperNode [2023-11-29 02:26:47,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:47,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:47,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:26:47,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:26:47,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,723 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2023-11-29 02:26:47,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:47,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:26:47,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:26:47,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:26:47,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,752 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2023-11-29 02:26:47,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:26:47,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:26:47,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:26:47,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:26:47,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (1/1) ... [2023-11-29 02:26:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:26:47,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:26:47,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 02:26:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 02:26:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:26:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:26:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 02:26:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 02:26:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:26:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:26:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:26:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:26:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:26:47,910 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:26:47,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:26:48,020 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:26:48,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:26:48,038 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:26:48,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:48 BoogieIcfgContainer [2023-11-29 02:26:48,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:26:48,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:26:48,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:26:48,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:26:48,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:26:47" (1/3) ... [2023-11-29 02:26:48,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f98aeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:48, skipping insertion in model container [2023-11-29 02:26:48,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:47" (2/3) ... [2023-11-29 02:26:48,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f98aeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:48, skipping insertion in model container [2023-11-29 02:26:48,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:48" (3/3) ... [2023-11-29 02:26:48,047 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:48,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:26:48,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:26:48,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:26:48,105 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;@6b617953, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:26:48,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:26:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:26:48,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:26:48,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:48,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:26:48,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:48,122 INFO L85 PathProgramCache]: Analyzing trace with hash 179408343, now seen corresponding path program 1 times [2023-11-29 02:26:48,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:48,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717316225] [2023-11-29 02:26:48,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:48,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:26:48,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:26:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:26:48,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:26:48,280 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:26:48,281 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:26:48,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:26:48,288 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 02:26:48,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:26:48,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:26:48 BoogieIcfgContainer [2023-11-29 02:26:48,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:26:48,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:26:48,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:26:48,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:26:48,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:48" (3/4) ... [2023-11-29 02:26:48,319 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:26:48,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:26:48,322 INFO L158 Benchmark]: Toolchain (without parser) took 888.77ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 104.1MB in the end (delta: 3.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,322 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:26:48,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.09ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,324 INFO L158 Benchmark]: Boogie Preprocessor took 42.53ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,325 INFO L158 Benchmark]: RCFGBuilder took 271.22ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 120.2MB in the end (delta: -28.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,325 INFO L158 Benchmark]: TraceAbstraction took 275.13ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 104.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,326 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 783.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:26:48,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.09ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.53ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.22ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 120.2MB in the end (delta: -28.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 275.13ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 104.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 783.0kB). Peak memory consumption was 2.1MB. 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: 59]: 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 someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37. Possible FailurePath: [L1] int __return_main; [L17] float __return_72; [L18] int __return_87; [L21] float main__a; [L22] float main__r; [L23] main__a = __VERIFIER_nondet_float() [L24] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L27] COND TRUE main__a <= 100.0 [L29] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0, main____CPAchecker_TMP_0=1] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] float __tmp_1; [L34] __tmp_1 = main__a [L35] float InvSqrt__x; [L36] InvSqrt__x = __tmp_1 [L37] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L38] union float_int InvSqrt__i; [L39] InvSqrt__i.f = InvSqrt__x [L40] EXPR InvSqrt__i.i [L40] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L41] EXPR InvSqrt__i.f [L41] InvSqrt__x = InvSqrt__i.f [L42] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L43] __return_72 = InvSqrt__x [L44] main__r = __return_72 [L45] int main____CPAchecker_TMP_1; VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, main____CPAchecker_TMP_0=1, main__a=1597463016, main__r=1597463018] [L46] COND FALSE !(main__r >= 0.0) VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, main____CPAchecker_TMP_0=1, main__a=1597463016, main__r=1597463018] [L72] main____CPAchecker_TMP_1 = 0 VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463016, main__r=1597463018] [L53] int __tmp_2; [L54] __tmp_2 = main____CPAchecker_TMP_1 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_2 VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __VERIFIER_assert__cond=0, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, __tmp_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463016, main__r=1597463018] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __VERIFIER_assert__cond=0, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, __tmp_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463016, main__r=1597463018] [L59] reach_error() VAL [InvSqrt__i={5:0}, InvSqrt__x=1597463018, __VERIFIER_assert__cond=0, __return_72=1597463018, __return_87=0, __return_main=0, __tmp_1=1597463016, __tmp_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463016, main__r=1597463018] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:26:48,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/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_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/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_803bf4da-0822-471a-b70b-8303c2c1a61b/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:26:50,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:26:50,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:26:50,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:26:50,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:26:50,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:26:50,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:26:50,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:26:50,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:26:50,396 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:26:50,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:26:50,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:26:50,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:26:50,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:26:50,399 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:26:50,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:26:50,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:26:50,401 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:26:50,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:26:50,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:26:50,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:26:50,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:26:50,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:26:50,404 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:26:50,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:26:50,405 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:26:50,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:26:50,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:26:50,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:26:50,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:26:50,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:26:50,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:26:50,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:26:50,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:50,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:26:50,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:26:50,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:26:50,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:26:50,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:26:50,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:26:50,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:26:50,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:26:50,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:26:50,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:26:50,410 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:26:50,410 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_803bf4da-0822-471a-b70b-8303c2c1a61b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2023-11-29 02:26:50,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:26:50,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:26:50,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:26:50,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:26:50,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:26:50,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:53,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:26:53,617 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:26:53,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:53,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/4a443999e/c0c8df40e568436e8bcf7507a890afb5/FLAG28676b2f9 [2023-11-29 02:26:53,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/data/4a443999e/c0c8df40e568436e8bcf7507a890afb5 [2023-11-29 02:26:53,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:26:53,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:26:53,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:53,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:26:53,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:26:53,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69894ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53, skipping insertion in model container [2023-11-29 02:26:53,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:26:53,851 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_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2023-11-29 02:26:53,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:53,873 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:26:53,894 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2023-11-29 02:26:53,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:53,915 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:26:53,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53 WrapperNode [2023-11-29 02:26:53,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:53,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:53,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:26:53,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:26:53,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,955 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2023-11-29 02:26:53,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:53,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:26:53,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:26:53,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:26:53,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,987 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2023-11-29 02:26:53,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:53,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:54,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:54,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:54,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:26:54,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:26:54,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:26:54,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:26:54,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (1/1) ... [2023-11-29 02:26:54,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:26:54,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:26:54,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:26:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:26:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:26:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:26:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:26:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 02:26:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 02:26:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 02:26:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 02:26:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:26:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:26:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 02:26:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 02:26:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:26:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 02:26:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 02:26:54,183 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:26:54,185 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:26:59,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:26:59,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:26:59,073 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:26:59,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:59 BoogieIcfgContainer [2023-11-29 02:26:59,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:26:59,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:26:59,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:26:59,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:26:59,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:26:53" (1/3) ... [2023-11-29 02:26:59,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7a6113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:59, skipping insertion in model container [2023-11-29 02:26:59,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:53" (2/3) ... [2023-11-29 02:26:59,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7a6113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:59, skipping insertion in model container [2023-11-29 02:26:59,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:59" (3/3) ... [2023-11-29 02:26:59,084 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2023-11-29 02:26:59,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:26:59,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:26:59,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:26:59,158 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;@13da10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:26:59,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:26:59,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:26:59,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:26:59,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:59,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:26:59,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:59,185 INFO L85 PathProgramCache]: Analyzing trace with hash 179408343, now seen corresponding path program 1 times [2023-11-29 02:26:59,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:26:59,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349494300] [2023-11-29 02:26:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:59,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:26:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:26:59,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:26:59,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 02:27:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:27:05,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:27:05,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:27:15,500 WARN L293 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:27:24,009 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:27:32,523 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:27:36,646 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_4| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_4|))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)) (= |c_ULTIMATE.start_main_~main__r~0#1| ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_4| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 02:27:49,354 WARN L293 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:27:57,640 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:28:06,212 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:28:10,344 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_4| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_4|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_4| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2023-11-29 02:28:14,419 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_4| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_4|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_4| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2023-11-29 02:28:27,120 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:28:35,406 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:28:43,948 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:28:56,681 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:04,984 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:13,557 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:26,268 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:34,595 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:43,172 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:29:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:43,174 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:29:43,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:29:43,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349494300] [2023-11-29 02:29:43,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349494300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:43,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:43,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:43,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977563056] [2023-11-29 02:29:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:43,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:29:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:29:43,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:29:43,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2023-11-29 02:29:43,205 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 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 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:48,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:29:52,910 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__a~0#1|)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 100.0))) (and (fp.geq .cse0 .cse1) (exists ((|v_skolemized_q#valueAsBitvector_4| (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_4|))))) (and (fp.leq .cse2 .cse3) (= |c_ULTIMATE.start_main_~main__r~0#1| ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse4 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_4| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse4) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse2)) .cse4) .cse4))))))) (fp.geq .cse2 .cse1)))) (fp.leq .cse0 .cse3) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 02:29:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:53,982 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2023-11-29 02:29:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:29:53,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:29:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:53,991 INFO L225 Difference]: With dead ends: 24 [2023-11-29 02:29:53,991 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:29:53,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=16, Invalid=12, Unknown=4, NotChecked=24, Total=56 [2023-11-29 02:29:53,996 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:53,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 23 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 62 Unchecked, 6.3s Time] [2023-11-29 02:29:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:29:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:29:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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 02:29:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:29:54,025 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2023-11-29 02:29:54,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:54,025 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:29:54,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:29:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:29:54,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:54,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:29:54,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:29:54,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:29:54,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:29:54,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:54,232 INFO L85 PathProgramCache]: Analyzing trace with hash 162397682, now seen corresponding path program 1 times [2023-11-29 02:29:54,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:29:54,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515698407] [2023-11-29 02:29:54,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:54,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:29:54,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:29:54,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:29:54,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 02:29:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:54,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:29:54,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:29:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:54,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:29:54,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:29:54,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515698407] [2023-11-29 02:29:54,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515698407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:54,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:54,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:29:54,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068253371] [2023-11-29 02:29:54,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:54,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:29:54,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:29:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:29:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:29:54,864 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:29:59,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:59,359 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2023-11-29 02:29:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:29:59,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:29:59,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:59,360 INFO L225 Difference]: With dead ends: 15 [2023-11-29 02:29:59,360 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:29:59,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 02:29:59,362 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:59,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 02:29:59,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:29:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:29:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2023-11-29 02:29:59,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 9 [2023-11-29 02:29:59,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:59,366 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2023-11-29 02:29:59,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-29 02:29:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:29:59,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:59,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:29:59,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 02:29:59,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:29:59,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:29:59,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:59,568 INFO L85 PathProgramCache]: Analyzing trace with hash 749844387, now seen corresponding path program 1 times [2023-11-29 02:29:59,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:29:59,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324632580] [2023-11-29 02:29:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:29:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:29:59,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:29:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 02:30:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:00,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:30:00,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:30:11,844 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:30:20,437 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:30:29,180 WARN L293 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:30:33,332 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_7|))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (= ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_7| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))) |c_ULTIMATE.start_main_~main__r~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 02:30:41,685 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:30:50,299 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:30:58,940 WARN L293 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:31:03,312 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_7|))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (= ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_7| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))) |c_ULTIMATE.start_main_~main__r~0#1|)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__r~0#1|) (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 02:31:16,238 WARN L293 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:31:24,886 WARN L293 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:31:33,554 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:31:42,205 WARN L293 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:31:46,357 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_7|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_7| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from false [2023-11-29 02:31:50,444 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_7|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_7| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from true [2023-11-29 02:32:03,270 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:11,901 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:20,540 WARN L293 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:29,195 WARN L293 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:42,024 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:50,748 WARN L293 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:32:59,417 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:08,101 WARN L293 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:20,934 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:29,604 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:38,267 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:46,958 WARN L293 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:33:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:46,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:46,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:33:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324632580] [2023-11-29 02:33:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324632580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:46,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:46,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:33:46,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139795124] [2023-11-29 02:33:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:46,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:33:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:33:46,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:33:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=12, Unknown=4, NotChecked=24, Total=56 [2023-11-29 02:33:46,962 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:33:51,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:33:56,084 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__a~0#1|)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 100.0))) (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_7|))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 .cse2) (= ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse3 (let ((.cse4 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_7| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse3) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse3) .cse3)))))) |c_ULTIMATE.start_main_~main__r~0#1|)))) (fp.geq .cse5 .cse2) (fp.leq .cse5 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 02:33:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:56,219 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2023-11-29 02:33:56,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:33:56,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 02:33:56,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:56,220 INFO L225 Difference]: With dead ends: 11 [2023-11-29 02:33:56,220 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:33:56,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=18, Invalid=13, Unknown=5, NotChecked=36, Total=72 [2023-11-29 02:33:56,221 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:56,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 41 Unchecked, 4.8s Time] [2023-11-29 02:33:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:33:56,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:33:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:33:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:33:56,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-11-29 02:33:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:56,223 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:33:56,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:33:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:33:56,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:33:56,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:33:56,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 02:33:56,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:33:56,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 90) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 95) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 74) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 79) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 19 96) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L71(lines 46 79) no Hoare annotation was computed. [2023-11-29 02:33:56,430 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 85) no Hoare annotation was computed. [2023-11-29 02:33:56,431 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-29 02:33:56,431 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 66) no Hoare annotation was computed. [2023-11-29 02:33:56,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2023-11-29 02:33:56,431 INFO L899 garLoopResultBuilder]: For program point L51(lines 48 74) no Hoare annotation was computed. [2023-11-29 02:33:56,437 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:33:56,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:33:56,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:33:56 BoogieIcfgContainer [2023-11-29 02:33:56,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:33:56,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:33:56,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:33:56,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:33:56,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:59" (3/4) ... [2023-11-29 02:33:56,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:33:56,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-29 02:33:56,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:33:56,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:33:56,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:33:56,529 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:33:56,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:33:56,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:33:56,531 INFO L158 Benchmark]: Toolchain (without parser) took 422886.20ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 67.3MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,531 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.95ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.5MB in the beginning and 70.7MB in the end (delta: -35.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.88ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,533 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,533 INFO L158 Benchmark]: RCFGBuilder took 5065.75ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 53.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,534 INFO L158 Benchmark]: TraceAbstraction took 417365.22ms. Allocated memory is still 94.4MB. Free memory was 53.2MB in the beginning and 72.1MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,534 INFO L158 Benchmark]: Witness Printer took 87.49ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 67.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.95ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.5MB in the beginning and 70.7MB in the end (delta: -35.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.88ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.23ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5065.75ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 53.9MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 417365.22ms. Allocated memory is still 94.4MB. Free memory was 53.2MB in the beginning and 72.1MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.49ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 67.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 59]: 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 417.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 15.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 15.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 103 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 7.4s SatisfiabilityAnalysisTime, 384.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 11 QuantifiedInterpolants, 1956 SizeOfPredicates, 22 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 35 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 RESULT: Ultimate proved your program to be correct! [2023-11-29 02:33:56,749 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 02:33:56,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803bf4da-0822-471a-b70b-8303c2c1a61b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE