./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:27:17,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:27:17,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:27:17,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:27:17,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:27:17,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:27:17,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:27:17,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:27:17,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:27:17,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:27:17,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:27:17,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:27:17,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:27:17,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:27:17,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:27:17,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:27:17,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:27:17,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:27:17,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:27:17,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:27:17,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:27:17,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:27:17,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:27:17,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:27:17,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:27:17,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:27:17,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:27:17,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:27:17,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:27:17,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:27:17,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:27:17,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:27:17,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:17,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:27:17,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:27:17,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:27:17,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:27:17,160 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2024-11-13 15:27:17,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:27:17,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:27:17,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:27:17,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:27:17,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:27:17,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c Unable to find full path for "g++" [2024-11-13 15:27:19,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:27:20,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:27:20,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2024-11-13 15:27:20,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/26fb28d50/7ceadfeffabd454799e5d91f57243767/FLAG2b58f647e [2024-11-13 15:27:20,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/26fb28d50/7ceadfeffabd454799e5d91f57243767 [2024-11-13 15:27:20,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:27:20,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:27:20,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:20,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:27:20,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:27:20,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e39933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20, skipping insertion in model container [2024-11-13 15:27:20,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:27:20,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2024-11-13 15:27:20,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:20,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:27:20,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2024-11-13 15:27:20,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:20,516 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:27:20,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20 WrapperNode [2024-11-13 15:27:20,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:20,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:20,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:27:20,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:27:20,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,564 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-13 15:27:20,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:20,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:27:20,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:27:20,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:27:20,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,620 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 4, 7, 4]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 3, 1, 2]. [2024-11-13 15:27:20,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:27:20,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:27:20,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:27:20,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:27:20,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:20,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:20,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:27:20,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:27:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:27:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:27:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:27:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:27:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:27:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:27:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:27:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:27:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:27:20,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:27:20,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:27:21,130 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 15:27:21,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:27:21,143 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:27:21,143 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:27:21,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21 BoogieIcfgContainer [2024-11-13 15:27:21,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:27:21,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:27:21,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:27:21,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:27:21,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:27:20" (1/3) ... [2024-11-13 15:27:21,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@def5846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:21, skipping insertion in model container [2024-11-13 15:27:21,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (2/3) ... [2024-11-13 15:27:21,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@def5846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:21, skipping insertion in model container [2024-11-13 15:27:21,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21" (3/3) ... [2024-11-13 15:27:21,162 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2024-11-13 15:27:21,183 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:27:21,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_float_ptr.c that has 1 procedures, 19 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:27:21,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:27:21,299 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5faceb15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:27:21,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:27:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:27:21,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:21,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:21,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:21,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:21,322 INFO L85 PathProgramCache]: Analyzing trace with hash -595204260, now seen corresponding path program 1 times [2024-11-13 15:27:21,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:21,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462380467] [2024-11-13 15:27:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:21,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:21,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:27:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:21,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:27:21,590 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:27:21,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:27:21,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:27:21,607 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:27:21,636 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:27:21,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:27:21 BoogieIcfgContainer [2024-11-13 15:27:21,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:27:21,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:27:21,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:27:21,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:27:21,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21" (3/4) ... [2024-11-13 15:27:21,644 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:27:21,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:27:21,646 INFO L158 Benchmark]: Toolchain (without parser) took 1432.63ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 49.0MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 15:27:21,647 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:21,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.99ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:21,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.15ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:21,648 INFO L158 Benchmark]: Boogie Preprocessor took 72.15ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:21,649 INFO L158 Benchmark]: RCFGBuilder took 505.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:21,649 INFO L158 Benchmark]: TraceAbstraction took 489.86ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 49.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:27:21,650 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:21,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.99ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.15ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.15ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 505.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 489.86ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 49.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: 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 18, overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 25. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] EXPR (*(unsigned*)&d) & 0x7FF00000 VAL [d={5:0}, dmax={7:0}, f={6:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={5:0}, f={6:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={5:0}, f={6:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=19occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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 [2024-11-13 15:27:21,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:27:24,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:27:25,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:27:25,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:27:25,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:27:25,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:27:25,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:27:25,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:27:25,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:27:25,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:27:25,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:27:25,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:27:25,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:27:25,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:27:25,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:27:25,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:27:25,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:27:25,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:27:25,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:27:25,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:27:25,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:25,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:27:25,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:27:25,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:27:25,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2024-11-13 15:27:25,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:27:25,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:27:25,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:27:25,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:27:25,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:27:25,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c Unable to find full path for "g++" [2024-11-13 15:27:27,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:27:28,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:27:28,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2024-11-13 15:27:28,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/ee75fe746/7fff299f35454ed99a2287fe90f6511b/FLAG2f90b62ee [2024-11-13 15:27:28,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/data/ee75fe746/7fff299f35454ed99a2287fe90f6511b [2024-11-13 15:27:28,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:27:28,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:27:28,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:28,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:27:28,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:27:28,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f9e6e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28, skipping insertion in model container [2024-11-13 15:27:28,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:27:28,594 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2024-11-13 15:27:28,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:28,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:27:28,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2024-11-13 15:27:28,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:28,677 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:27:28,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28 WrapperNode [2024-11-13 15:27:28,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:28,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:28,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:27:28,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:27:28,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,726 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2024-11-13 15:27:28,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:28,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:27:28,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:27:28,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:27:28,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,761 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 4, 7, 4]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 3]. [2024-11-13 15:27:28,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:27:28,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:27:28,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:27:28,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:27:28,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (1/1) ... [2024-11-13 15:27:28,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:28,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:27:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 15:27:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 15:27:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:27:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 15:27:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:27:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 15:27:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 15:27:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 15:27:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:27:29,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:27:29,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:27:29,572 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 15:27:29,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:27:29,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:27:29,584 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:27:29,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:29 BoogieIcfgContainer [2024-11-13 15:27:29,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:27:29,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:27:29,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:27:29,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:27:29,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:27:28" (1/3) ... [2024-11-13 15:27:29,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624e060b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:29, skipping insertion in model container [2024-11-13 15:27:29,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:28" (2/3) ... [2024-11-13 15:27:29,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624e060b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:29, skipping insertion in model container [2024-11-13 15:27:29,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:29" (3/3) ... [2024-11-13 15:27:29,600 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2024-11-13 15:27:29,620 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:27:29,622 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_float_ptr.c that has 1 procedures, 16 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:27:29,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:27:29,711 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c44d4bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:27:29,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:27:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:27:29,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:29,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:29,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:29,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:29,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2024-11-13 15:27:29,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:27:29,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642801807] [2024-11-13 15:27:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:29,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:27:29,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:27:29,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:27:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:29,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:27:30,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:30,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:27:30,531 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:27:30,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642801807] [2024-11-13 15:27:30,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642801807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:30,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:30,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:27:30,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219724295] [2024-11-13 15:27:30,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:30,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:27:30,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:27:30,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:27:30,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:27:30,571 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 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 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:30,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:30,993 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2024-11-13 15:27:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:27:31,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:27:31,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:31,006 INFO L225 Difference]: With dead ends: 27 [2024-11-13 15:27:31,006 INFO L226 Difference]: Without dead ends: 10 [2024-11-13 15:27:31,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:27:31,012 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:31,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 24 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:27:31,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-13 15:27:31,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-13 15:27:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2024-11-13 15:27:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2024-11-13 15:27:31,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2024-11-13 15:27:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:31,045 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2024-11-13 15:27:31,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 15:27:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:27:31,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:31,046 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:31,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:27:31,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:31,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:31,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:31,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2024-11-13 15:27:31,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:27:31,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385332616] [2024-11-13 15:27:31,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:31,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:31,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:27:31,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:27:31,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 15:27:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:31,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:27:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:31,532 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:27:31,532 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:27:31,534 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:27:31,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 15:27:31,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:31,740 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:27:31,772 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:27:31,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:27:31 BoogieIcfgContainer [2024-11-13 15:27:31,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:27:31,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:27:31,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:27:31,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:27:31,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:29" (3/4) ... [2024-11-13 15:27:31,785 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:27:31,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:27:31,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:27:31,837 INFO L158 Benchmark]: Toolchain (without parser) took 3451.26ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 63.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-13 15:27:31,838 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:31,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.51ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 73.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:31,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.94ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 72.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:31,839 INFO L158 Benchmark]: Boogie Preprocessor took 60.37ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:31,841 INFO L158 Benchmark]: RCFGBuilder took 796.69ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 56.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:31,842 INFO L158 Benchmark]: TraceAbstraction took 2190.58ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 65.0MB in the end (delta: -8.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-13 15:27:31,842 INFO L158 Benchmark]: Witness Printer took 56.01ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:31,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.51ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 73.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.94ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 72.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.37ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 796.69ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 56.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2190.58ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 65.0MB in the end (delta: -8.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 56.01ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={5:0}, f={7:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 3 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:27:31,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5abd2e64-1671-49df-ba18-c3f506b7e265/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE