./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 03:13:54,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 03:13:54,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 03:13:54,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 03:13:54,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 03:13:54,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 03:13:54,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 03:13:54,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 03:13:54,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 03:13:54,227 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 03:13:54,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 03:13:54,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 03:13:54,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 03:13:54,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 03:13:54,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 03:13:54,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 03:13:54,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 03:13:54,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 03:13:54,230 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 03:13:54,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:13:54,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 03:13:54,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 03:13:54,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 03:13:54,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 03:13:54,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 03:13:54,232 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 [2025-03-08 03:13:54,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 03:13:54,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 03:13:54,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 03:13:54,473 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 03:13:54,473 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 03:13:54,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2025-03-08 03:13:55,641 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326490b0/ac01ee5b89ea457894c039995eff7833/FLAGa3634ca5d [2025-03-08 03:13:55,865 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 03:13:55,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2025-03-08 03:13:55,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326490b0/ac01ee5b89ea457894c039995eff7833/FLAGa3634ca5d [2025-03-08 03:13:55,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9326490b0/ac01ee5b89ea457894c039995eff7833 [2025-03-08 03:13:55,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 03:13:55,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 03:13:55,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 03:13:55,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 03:13:55,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 03:13:55,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:13:55" (1/1) ... [2025-03-08 03:13:55,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ae8c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:55, skipping insertion in model container [2025-03-08 03:13:55,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:13:55" (1/1) ... [2025-03-08 03:13:55,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 03:13:56,037 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2025-03-08 03:13:56,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:13:56,046 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 03:13:56,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2025-03-08 03:13:56,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:13:56,084 INFO L204 MainTranslator]: Completed translation [2025-03-08 03:13:56,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56 WrapperNode [2025-03-08 03:13:56,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 03:13:56,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 03:13:56,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 03:13:56,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 03:13:56,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,117 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2025-03-08 03:13:56,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 03:13:56,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 03:13:56,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 03:13:56,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 03:13:56,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,147 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2025-03-08 03:13:56,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 03:13:56,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 03:13:56,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 03:13:56,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 03:13:56,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (1/1) ... [2025-03-08 03:13:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:13:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 03:13:56,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 03:13:56,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 03:13:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 03:13:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 03:13:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 03:13:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 03:13:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 03:13:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-08 03:13:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 03:13:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 03:13:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 03:13:56,307 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 03:13:56,309 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 03:13:56,487 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-03-08 03:13:56,487 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 03:13:56,510 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 03:13:56,511 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 03:13:56,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:13:56 BoogieIcfgContainer [2025-03-08 03:13:56,512 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 03:13:56,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 03:13:56,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 03:13:56,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 03:13:56,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:13:55" (1/3) ... [2025-03-08 03:13:56,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2d95db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:13:56, skipping insertion in model container [2025-03-08 03:13:56,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:13:56" (2/3) ... [2025-03-08 03:13:56,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2d95db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:13:56, skipping insertion in model container [2025-03-08 03:13:56,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:13:56" (3/3) ... [2025-03-08 03:13:56,521 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d.c [2025-03-08 03:13:56,533 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 03:13:56,534 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1072d.c that has 1 procedures, 42 locations, 1 initial locations, 4 loop locations, and 5 error locations. [2025-03-08 03:13:56,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 03:13:56,583 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;@6f9fd06c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 03:13:56,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-08 03:13:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 41 states have internal predecessors, (65), 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) [2025-03-08 03:13:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-08 03:13:56,590 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:13:56,590 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-08 03:13:56,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-03-08 03:13:56,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:13:56,595 INFO L85 PathProgramCache]: Analyzing trace with hash 103239, now seen corresponding path program 1 times [2025-03-08 03:13:56,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 03:13:56,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141014246] [2025-03-08 03:13:56,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:13:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 03:13:56,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-08 03:13:56,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-08 03:13:56,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:13:56,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 03:13:56,670 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 03:13:56,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-08 03:13:56,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-08 03:13:56,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:13:56,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 03:13:56,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 03:13:56,693 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 03:13:56,694 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-03-08 03:13:56,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-03-08 03:13:56,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-03-08 03:13:56,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-03-08 03:13:56,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 5 remaining) [2025-03-08 03:13:56,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 03:13:56,701 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-08 03:13:56,714 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 03:13:56,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:13:56 BoogieIcfgContainer [2025-03-08 03:13:56,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 03:13:56,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 03:13:56,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 03:13:56,719 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 03:13:56,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:13:56" (3/4) ... [2025-03-08 03:13:56,722 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 03:13:56,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 03:13:56,723 INFO L158 Benchmark]: Toolchain (without parser) took 824.54ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 69.6MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-08 03:13:56,723 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:13:56,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.98ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 102.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:13:56,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.40ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:13:56,724 INFO L158 Benchmark]: Boogie Preprocessor took 48.77ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:13:56,725 INFO L158 Benchmark]: IcfgBuilder took 345.52ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 82.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 03:13:56,726 INFO L158 Benchmark]: TraceAbstraction took 204.20ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 69.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:13:56,726 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 142.6MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:13:56,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.98ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 102.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.40ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.77ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 345.52ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 82.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 204.20ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 69.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 142.6MB. Free memory is still 69.6MB. 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: 17]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 17, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L64] float x = -0.0f; [L65] CALL trunc_float(x) [L15] __int32_t signbit, w, exponent_less_127; VAL [x=53] [L17] ieee_float_shape_type gf_u; VAL [x=53] - UnprovableResult [Line: 69]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 65 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=42occurred 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, 3 NumberOfCodeBlocks, 3 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 03:13:56,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 03:13:58,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 03:13:58,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 03:13:58,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 03:13:58,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 03:13:58,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 03:13:58,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 03:13:58,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 03:13:58,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 03:13:58,648 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 03:13:58,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 03:13:58,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 03:13:58,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 03:13:58,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 03:13:58,651 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 03:13:58,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 03:13:58,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 03:13:58,651 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 03:13:58,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 03:13:58,652 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 03:13:58,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:13:58,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 03:13:58,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 03:13:58,653 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 [2025-03-08 03:13:58,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 03:13:58,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 03:13:58,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 03:13:58,886 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 03:13:58,886 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 03:13:58,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2025-03-08 03:14:00,055 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0452d48a2/b8730f930fa542c39ba078dabdb93b80/FLAG58fa7a241 [2025-03-08 03:14:00,262 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 03:14:00,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2025-03-08 03:14:00,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0452d48a2/b8730f930fa542c39ba078dabdb93b80/FLAG58fa7a241 [2025-03-08 03:14:00,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0452d48a2/b8730f930fa542c39ba078dabdb93b80 [2025-03-08 03:14:00,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 03:14:00,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 03:14:00,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:00,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 03:14:00,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 03:14:00,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1986463f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00, skipping insertion in model container [2025-03-08 03:14:00,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 03:14:00,432 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2025-03-08 03:14:00,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:00,446 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 03:14:00,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2025-03-08 03:14:00,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:00,478 INFO L204 MainTranslator]: Completed translation [2025-03-08 03:14:00,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00 WrapperNode [2025-03-08 03:14:00,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:00,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:00,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 03:14:00,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 03:14:00,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,506 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2025-03-08 03:14:00,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:00,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 03:14:00,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 03:14:00,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 03:14:00,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,534 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2025-03-08 03:14:00,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 03:14:00,560 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 03:14:00,560 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 03:14:00,560 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 03:14:00,561 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (1/1) ... [2025-03-08 03:14:00,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:14:00,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 03:14:00,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 03:14:00,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 03:14:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 03:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-08 03:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-08 03:14:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 03:14:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 03:14:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-08 03:14:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-08 03:14:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-08 03:14:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 03:14:00,702 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 03:14:00,704 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 03:14:00,924 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 03:14:00,924 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 03:14:00,930 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 03:14:00,930 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 03:14:00,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:00 BoogieIcfgContainer [2025-03-08 03:14:00,931 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 03:14:00,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 03:14:00,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 03:14:00,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 03:14:00,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:14:00" (1/3) ... [2025-03-08 03:14:00,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:00, skipping insertion in model container [2025-03-08 03:14:00,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:00" (2/3) ... [2025-03-08 03:14:00,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:00, skipping insertion in model container [2025-03-08 03:14:00,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:00" (3/3) ... [2025-03-08 03:14:00,938 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d.c [2025-03-08 03:14:00,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 03:14:00,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1072d.c that has 1 procedures, 25 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-08 03:14:00,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 03:14:00,990 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;@3d81f015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 03:14:00,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 03:14:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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) [2025-03-08 03:14:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-08 03:14:00,996 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:00,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:00,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:01,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1358650903, now seen corresponding path program 1 times [2025-03-08 03:14:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200198288] [2025-03-08 03:14:01,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:01,010 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 [2025-03-08 03:14:01,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:01,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-08 03:14:01,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-08 03:14:01,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-08 03:14:01,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:01,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:01,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 03:14:01,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:01,121 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:01,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:01,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200198288] [2025-03-08 03:14:01,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200198288] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:01,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:01,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 03:14:01,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63712282] [2025-03-08 03:14:01,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:01,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 03:14:01,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:01,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 03:14:01,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 03:14:01,138 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-03-08 03:14:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:01,146 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2025-03-08 03:14:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 03:14:01,147 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2025-03-08 03:14:01,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:01,151 INFO L225 Difference]: With dead ends: 48 [2025-03-08 03:14:01,151 INFO L226 Difference]: Without dead ends: 22 [2025-03-08 03:14:01,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 03:14:01,154 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:01,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 03:14:01,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-03-08 03:14:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-03-08 03:14:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 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) [2025-03-08 03:14:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2025-03-08 03:14:01,173 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2025-03-08 03:14:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:01,173 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2025-03-08 03:14:01,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-03-08 03:14:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2025-03-08 03:14:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 03:14:01,174 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:01,174 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:01,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:01,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1152973696, now seen corresponding path program 1 times [2025-03-08 03:14:01,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:01,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984665913] [2025-03-08 03:14:01,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:01,378 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 [2025-03-08 03:14:01,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:01,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-08 03:14:01,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 03:14:01,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 03:14:01,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:01,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:01,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 03:14:01,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:01,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 03:14:01,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-03-08 03:14:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:01,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:01,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:01,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984665913] [2025-03-08 03:14:01,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984665913] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:01,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:01,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 03:14:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552129616] [2025-03-08 03:14:01,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:01,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 03:14:01,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:01,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 03:14:01,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 03:14:01,570 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2025-03-08 03:14:01,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:01,643 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2025-03-08 03:14:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 03:14:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-08 03:14:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:01,645 INFO L225 Difference]: With dead ends: 32 [2025-03-08 03:14:01,645 INFO L226 Difference]: Without dead ends: 19 [2025-03-08 03:14:01,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 03:14:01,646 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:01,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 47 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 03:14:01,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-08 03:14:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-08 03:14:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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) [2025-03-08 03:14:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2025-03-08 03:14:01,648 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 11 [2025-03-08 03:14:01,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:01,648 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2025-03-08 03:14:01,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2025-03-08 03:14:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2025-03-08 03:14:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-08 03:14:01,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:01,650 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:01,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,851 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:01,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:01,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1736035149, now seen corresponding path program 1 times [2025-03-08 03:14:01,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:01,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529689832] [2025-03-08 03:14:01,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:01,852 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 [2025-03-08 03:14:01,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:01,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-08 03:14:01,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:01,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 03:14:01,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 03:14:01,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:01,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:01,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 03:14:01,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:01,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:01,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:01,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529689832] [2025-03-08 03:14:01,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529689832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:01,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:01,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 03:14:01,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360529770] [2025-03-08 03:14:01,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:01,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 03:14:01,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:01,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 03:14:01,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 03:14:01,999 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2025-03-08 03:14:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:02,077 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2025-03-08 03:14:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 03:14:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2025-03-08 03:14:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:02,078 INFO L225 Difference]: With dead ends: 22 [2025-03-08 03:14:02,078 INFO L226 Difference]: Without dead ends: 19 [2025-03-08 03:14:02,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-08 03:14:02,079 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:02,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 50 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 03:14:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-08 03:14:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-08 03:14:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 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) [2025-03-08 03:14:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2025-03-08 03:14:02,081 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2025-03-08 03:14:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:02,082 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2025-03-08 03:14:02,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2025-03-08 03:14:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2025-03-08 03:14:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-08 03:14:02,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:02,082 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:02,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:02,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:02,283 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:02,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1520628849, now seen corresponding path program 1 times [2025-03-08 03:14:02,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:02,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864574969] [2025-03-08 03:14:02,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:02,283 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 [2025-03-08 03:14:02,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:02,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-08 03:14:02,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-08 03:14:02,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-08 03:14:02,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-08 03:14:02,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:02,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:02,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-08 03:14:02,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:02,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 03:14:02,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-03-08 03:14:02,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 03:14:02,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-03-08 03:14:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:02,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:02,554 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:02,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864574969] [2025-03-08 03:14:02,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864574969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:02,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:02,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-08 03:14:02,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648506968] [2025-03-08 03:14:02,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:02,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 03:14:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:02,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 03:14:02,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-03-08 03:14:02,555 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2025-03-08 03:14:02,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:02,699 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2025-03-08 03:14:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 03:14:02,700 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) Word has length 18 [2025-03-08 03:14:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:02,700 INFO L225 Difference]: With dead ends: 19 [2025-03-08 03:14:02,700 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 03:14:02,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-03-08 03:14:02,701 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 17 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:02,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 51 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 03:14:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 03:14:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 03:14:02,705 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) [2025-03-08 03:14:02,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 03:14:02,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2025-03-08 03:14:02,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:02,705 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 03:14:02,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2025-03-08 03:14:02,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 03:14:02,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 03:14:02,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 03:14:02,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-08 03:14:02,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-08 03:14:02,910 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-08 03:14:02,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 03:14:02,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 03:14:02,952 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-08 03:14:02,956 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-08 03:14:02,956 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:02,956 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-08 03:14:02,956 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-08 03:14:02,959 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-08 03:14:02,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:14:02 BoogieIcfgContainer [2025-03-08 03:14:02,960 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 03:14:02,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 03:14:02,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 03:14:02,962 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 03:14:02,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:00" (3/4) ... [2025-03-08 03:14:02,964 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 03:14:02,971 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-08 03:14:02,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-08 03:14:02,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 03:14:02,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 03:14:03,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 03:14:03,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 03:14:03,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 03:14:03,031 INFO L158 Benchmark]: Toolchain (without parser) took 2743.02ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 23.8MB in the end (delta: 36.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2025-03-08 03:14:03,031 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:03,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.51ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:03,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.60ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:03,032 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:03,033 INFO L158 Benchmark]: IcfgBuilder took 371.16ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 30.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:03,033 INFO L158 Benchmark]: TraceAbstraction took 2028.46ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 29.6MB in the end (delta: 610.5kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2025-03-08 03:14:03,033 INFO L158 Benchmark]: Witness Printer took 68.84ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 23.8MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:03,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.51ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.60ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 371.16ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 30.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2028.46ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 29.6MB in the end (delta: 610.5kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 68.84ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 23.8MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 * 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: 69]: 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, 25 locations, 37 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 63 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 10 QuantifiedInterpolants, 254 SizeOfPredicates, 15 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-08 03:14:03,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE