./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:33,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:33,852 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:12:33,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:33,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:33,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:33,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:33,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:33,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:33,884 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:33,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:33,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:33,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:33,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:33,885 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:33,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:33,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:33,887 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:33,887 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:33,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:33,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:33,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:33,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:33,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:33,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:33,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:33,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:33,889 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-jdk21/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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2025-01-09 01:12:34,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:34,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:34,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:34,114 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:34,114 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:34,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-01-09 01:12:35,274 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deef2f13f/7af3291b341c4242a20b4f1a6553a69d/FLAGbd5f39d7f [2025-01-09 01:12:35,505 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:35,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-01-09 01:12:35,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deef2f13f/7af3291b341c4242a20b4f1a6553a69d/FLAGbd5f39d7f [2025-01-09 01:12:35,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deef2f13f/7af3291b341c4242a20b4f1a6553a69d [2025-01-09 01:12:35,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:35,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:35,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:35,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:35,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:35,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a12d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35, skipping insertion in model container [2025-01-09 01:12:35,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:36,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2025-01-09 01:12:36,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:36,013 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:36,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2025-01-09 01:12:36,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:36,056 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:36,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36 WrapperNode [2025-01-09 01:12:36,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:36,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:36,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:36,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:36,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,102 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 352 [2025-01-09 01:12:36,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:36,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:36,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:36,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:36,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,142 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 3, 3, 3, 3, 3, 2, 3, 3, 3, 10, 2, 2, 2]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0]. The 24 writes are split as follows [0, 2, 2, 2, 2, 2, 1, 2, 1, 1, 6, 1, 1, 1]. [2025-01-09 01:12:36,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:36,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:36,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:36,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:36,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (1/1) ... [2025-01-09 01:12:36,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:36,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:36,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:12:36,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 01:12:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2025-01-09 01:12:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 01:12:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:12:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 01:12:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:36,340 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:36,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:36,683 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:36,686 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:36,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:36,694 INFO L312 CfgBuilder]: Removed 24 assume(true) statements. [2025-01-09 01:12:36,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:36 BoogieIcfgContainer [2025-01-09 01:12:36,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:36,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:36,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:36,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:36,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:35" (1/3) ... [2025-01-09 01:12:36,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36705945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:36, skipping insertion in model container [2025-01-09 01:12:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:36" (2/3) ... [2025-01-09 01:12:36,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36705945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:36, skipping insertion in model container [2025-01-09 01:12:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:36" (3/3) ... [2025-01-09 01:12:36,703 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2025-01-09 01:12:36,713 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:36,714 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211a.c that has 1 procedures, 110 locations, 1 initial locations, 24 loop locations, and 13 error locations. [2025-01-09 01:12:36,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:36,770 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;@2cca4a7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:36,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-01-09 01:12:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 96 states have (on average 1.78125) internal successors, (171), 109 states have internal predecessors, (171), 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) [2025-01-09 01:12:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:12:36,777 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:36,778 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:12:36,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 10 more)] === [2025-01-09 01:12:36,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-09 01:12:36,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:12:36,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866171940] [2025-01-09 01:12:36,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:12:36,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:36,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:36,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:36,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:36,868 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:12:36,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:36,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:36,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:36,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:36,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:12:36,901 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:12:36,903 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (12 of 13 remaining) [2025-01-09 01:12:36,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (11 of 13 remaining) [2025-01-09 01:12:36,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 13 remaining) [2025-01-09 01:12:36,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 13 remaining) [2025-01-09 01:12:36,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 13 remaining) [2025-01-09 01:12:36,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 13 remaining) [2025-01-09 01:12:36,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 13 remaining) [2025-01-09 01:12:36,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2025-01-09 01:12:36,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:12:36,912 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:12:36,923 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:12:36,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:12:36 BoogieIcfgContainer [2025-01-09 01:12:36,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:12:36,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:12:36,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:12:36,930 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:12:36,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:36" (3/4) ... [2025-01-09 01:12:36,933 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:12:36,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:12:36,934 INFO L158 Benchmark]: Toolchain (without parser) took 1097.44ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 44.4MB in the end (delta: 61.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 01:12:36,934 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:36,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.04ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 92.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:36,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.84ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:36,935 INFO L158 Benchmark]: Boogie Preprocessor took 63.31ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 85.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:36,935 INFO L158 Benchmark]: RCFGBuilder took 523.58ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 58.9MB in the end (delta: 26.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 01:12:36,937 INFO L158 Benchmark]: TraceAbstraction took 232.83ms. Allocated memory is still 142.6MB. Free memory was 58.9MB in the beginning and 44.4MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:36,937 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:36,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.04ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 92.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.84ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.31ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 85.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.58ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 58.9MB in the end (delta: 26.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 232.83ms. Allocated memory is still 142.6MB. Free memory was 58.9MB in the beginning and 44.4MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 44.4MB. 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: 26]: 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 someBinaryArithmeticDOUBLEoperation at line 146, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 26. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [iptr={4:0}, one_modf=1, x=54] [L26] ieee_double_shape_type ew_u; VAL [iptr={4:0}, one_modf=1, x=54] - UnprovableResult [Line: 35]: 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: 47]: 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: 52]: 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: 60]: 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: 72]: 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: 77]: 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: 89]: 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: 94]: 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: 102]: 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: 116]: 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: 131]: 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: 152]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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, 4 NumberOfCodeBlocks, 4 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 [2025-01-09 01:12:36,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:38,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:38,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:12:38,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:38,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:38,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:38,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:38,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:38,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:38,940 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:38,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:38,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:38,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:38,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:38,941 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:38,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:38,942 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:38,943 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:38,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:38,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:38,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:38,943 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-jdk21/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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2025-01-09 01:12:39,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:39,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:39,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:39,192 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:39,192 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:39,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-01-09 01:12:40,367 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/444506968/638c84d2426d47208fe4031d728d86e9/FLAGfaffb4cee [2025-01-09 01:12:40,593 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:40,594 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-01-09 01:12:40,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/444506968/638c84d2426d47208fe4031d728d86e9/FLAGfaffb4cee [2025-01-09 01:12:40,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/444506968/638c84d2426d47208fe4031d728d86e9 [2025-01-09 01:12:40,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:40,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:40,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:40,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:40,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:40,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:40" (1/1) ... [2025-01-09 01:12:40,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:40, skipping insertion in model container [2025-01-09 01:12:40,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:40" (1/1) ... [2025-01-09 01:12:40,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:41,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2025-01-09 01:12:41,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:41,111 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:41,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2025-01-09 01:12:41,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:41,154 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:41,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41 WrapperNode [2025-01-09 01:12:41,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:41,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:41,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:41,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:41,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,200 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 247 [2025-01-09 01:12:41,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:41,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:41,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:41,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:41,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,237 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 10, 2, 2, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 24 writes are split as follows [0, 6, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2]. [2025-01-09 01:12:41,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:41,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:41,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:41,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:41,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (1/1) ... [2025-01-09 01:12:41,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:41,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:12:41,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:12:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2025-01-09 01:12:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:12:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2025-01-09 01:12:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-01-09 01:12:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-01-09 01:12:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-01-09 01:12:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-01-09 01:12:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2025-01-09 01:12:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-01-09 01:12:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-01-09 01:12:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-01-09 01:12:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-01-09 01:12:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-01-09 01:12:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:41,477 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:41,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:43,630 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:43,630 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:43,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:43,637 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2025-01-09 01:12:43,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:43 BoogieIcfgContainer [2025-01-09 01:12:43,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:43,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:43,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:43,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:43,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:40" (1/3) ... [2025-01-09 01:12:43,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f64b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:43, skipping insertion in model container [2025-01-09 01:12:43,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:41" (2/3) ... [2025-01-09 01:12:43,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f64b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:43, skipping insertion in model container [2025-01-09 01:12:43,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:43" (3/3) ... [2025-01-09 01:12:43,645 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2025-01-09 01:12:43,656 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:43,657 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211a.c that has 1 procedures, 52 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-01-09 01:12:43,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:43,701 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;@7756b230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:43,701 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:12:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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) [2025-01-09 01:12:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-09 01:12:43,708 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:43,708 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:43,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:43,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1726397880, now seen corresponding path program 1 times [2025-01-09 01:12:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:43,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155715846] [2025-01-09 01:12:43,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:43,720 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 [2025-01-09 01:12:43,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:43,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:12:43,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:43,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 01:12:43,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 01:12:43,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:43,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:43,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:12:43,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:43,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:43,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:43,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155715846] [2025-01-09 01:12:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155715846] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:43,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:43,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:12:43,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681890385] [2025-01-09 01:12:43,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:43,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:12:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:43,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:12:43,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:43,913 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2025-01-09 01:12:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:43,927 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2025-01-09 01:12:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:12:43,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2025-01-09 01:12:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:43,937 INFO L225 Difference]: With dead ends: 102 [2025-01-09 01:12:43,937 INFO L226 Difference]: Without dead ends: 49 [2025-01-09 01:12:43,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:43,943 INFO L435 NwaCegarLoop]: 58 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, 58 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 [2025-01-09 01:12:43,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:12:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-01-09 01:12:43,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-01-09 01:12:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2025-01-09 01:12:43,976 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2025-01-09 01:12:43,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:43,976 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2025-01-09 01:12:43,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2025-01-09 01:12:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2025-01-09 01:12:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 01:12:43,977 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:43,977 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:43,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:44,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:44,179 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:44,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1939089978, now seen corresponding path program 1 times [2025-01-09 01:12:44,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:44,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309317287] [2025-01-09 01:12:44,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:44,181 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 [2025-01-09 01:12:44,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:44,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:12:44,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:44,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 01:12:44,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 01:12:44,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:44,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:44,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 01:12:44,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:44,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:44,602 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:44,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309317287] [2025-01-09 01:12:44,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309317287] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:44,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:44,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:12:44,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772990275] [2025-01-09 01:12:44,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:44,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:12:44,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:44,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:12:44,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:12:44,604 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2025-01-09 01:12:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:45,172 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2025-01-09 01:12:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 01:12:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 [2025-01-09 01:12:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:45,173 INFO L225 Difference]: With dead ends: 64 [2025-01-09 01:12:45,173 INFO L226 Difference]: Without dead ends: 27 [2025-01-09 01:12:45,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:12:45,174 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:45,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 01:12:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-01-09 01:12:45,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-09 01:12:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2025-01-09 01:12:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2025-01-09 01:12:45,179 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2025-01-09 01:12:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:45,179 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2025-01-09 01:12:45,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2025-01-09 01:12:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2025-01-09 01:12:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-09 01:12:45,179 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:45,179 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:45,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:45,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:45,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:45,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:45,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1275904163, now seen corresponding path program 1 times [2025-01-09 01:12:45,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:45,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444990703] [2025-01-09 01:12:45,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:45,381 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 [2025-01-09 01:12:45,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:45,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:12:45,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:45,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-09 01:12:45,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-09 01:12:45,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:45,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:45,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 01:12:45,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:45,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:45,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:45,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444990703] [2025-01-09 01:12:45,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444990703] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:45,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:45,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 01:12:45,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516153880] [2025-01-09 01:12:45,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:45,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 01:12:45,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:45,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 01:12:45,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 01:12:45,740 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:45,771 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2025-01-09 01:12:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 01:12:45,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-01-09 01:12:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:45,772 INFO L225 Difference]: With dead ends: 30 [2025-01-09 01:12:45,772 INFO L226 Difference]: Without dead ends: 27 [2025-01-09 01:12:45,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 01:12:45,772 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:45,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:12:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-01-09 01:12:45,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-09 01:12:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2025-01-09 01:12:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2025-01-09 01:12:45,775 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2025-01-09 01:12:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:45,776 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2025-01-09 01:12:45,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2025-01-09 01:12:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-09 01:12:45,776 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:45,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:45,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:45,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:45,977 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:45,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2054894956, now seen corresponding path program 1 times [2025-01-09 01:12:45,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:45,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550669865] [2025-01-09 01:12:45,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:45,978 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 [2025-01-09 01:12:45,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:45,979 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:12:45,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:46,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-09 01:12:46,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-09 01:12:46,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:46,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:46,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 01:12:46,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:46,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:46,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550669865] [2025-01-09 01:12:46,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550669865] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:46,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:46,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 01:12:46,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033471267] [2025-01-09 01:12:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:46,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 01:12:46,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:46,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 01:12:46,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 01:12:46,604 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-01-09 01:12:48,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:12:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:48,837 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2025-01-09 01:12:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 01:12:48,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2025-01-09 01:12:48,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:48,838 INFO L225 Difference]: With dead ends: 31 [2025-01-09 01:12:48,838 INFO L226 Difference]: Without dead ends: 27 [2025-01-09 01:12:48,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:12:48,839 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:48,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-01-09 01:12:48,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-01-09 01:12:48,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-09 01:12:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 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) [2025-01-09 01:12:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2025-01-09 01:12:48,842 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2025-01-09 01:12:48,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:48,843 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2025-01-09 01:12:48,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-01-09 01:12:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2025-01-09 01:12:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:12:48,843 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:48,843 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:48,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:49,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:49,044 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:49,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:49,044 INFO L85 PathProgramCache]: Analyzing trace with hash -63526377, now seen corresponding path program 1 times [2025-01-09 01:12:49,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:49,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273095864] [2025-01-09 01:12:49,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:49,044 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 [2025-01-09 01:12:49,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:49,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:12:49,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (6)] Waiting until timeout for monitored process [2025-01-09 01:12:49,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:12:49,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:12:49,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:49,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:49,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-09 01:12:49,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:50,921 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:50,922 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:50,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273095864] [2025-01-09 01:12:50,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273095864] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:50,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:50,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-09 01:12:50,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844246038] [2025-01-09 01:12:50,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:50,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 01:12:50,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:50,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 01:12:50,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 01:12:50,923 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2025-01-09 01:12:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:53,265 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2025-01-09 01:12:53,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 01:12:53,266 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 26 [2025-01-09 01:12:53,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:53,266 INFO L225 Difference]: With dead ends: 27 [2025-01-09 01:12:53,266 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:12:53,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2025-01-09 01:12:53,267 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:53,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 111 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 01:12:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:12:53,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:12:53,267 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) [2025-01-09 01:12:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:12:53,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-01-09 01:12:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:53,268 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:12:53,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2025-01-09 01:12:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:12:53,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:12:53,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:12:53,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (6)] Ended with exit code 0 [2025-01-09 01:12:53,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:12:53,473 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 01:12:53,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:12:53,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:12:53,679 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:53,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:12:53 BoogieIcfgContainer [2025-01-09 01:12:53,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:12:53,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:12:53,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:12:53,682 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:12:53,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:43" (3/4) ... [2025-01-09 01:12:53,688 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:12:53,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2025-01-09 01:12:53,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-01-09 01:12:53,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 01:12:53,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:12:53,779 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:12:53,780 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:12:53,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:12:53,781 INFO L158 Benchmark]: Toolchain (without parser) took 12837.54ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 41.6MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-09 01:12:53,782 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:53,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.73ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:53,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.12ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:53,783 INFO L158 Benchmark]: Boogie Preprocessor took 76.62ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:53,783 INFO L158 Benchmark]: RCFGBuilder took 2357.92ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 47.5MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:53,783 INFO L158 Benchmark]: TraceAbstraction took 10042.07ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 49.0MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:53,783 INFO L158 Benchmark]: Witness Printer took 98.70ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 41.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:53,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.73ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.12ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.62ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2357.92ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 47.5MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10042.07ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 49.0MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 98.70ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 41.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 152]: 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, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 143 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 913 SizeOfPredicates, 15 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:12:53,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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