./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1300.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_1300.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 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:13:12,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:13:12,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:13:12,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:13:12,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:13:12,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:13:12,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:13:12,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:13:12,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:13:12,575 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:13:12,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:13:12,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:13:12,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:13:12,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:13:12,577 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:13:12,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:13:12,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:13:12,577 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:13:12,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:13:12,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:13:12,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:12,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:12,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:13:12,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:13:12,579 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 -> 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d [2025-01-09 01:13:12,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:13:12,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:13:12,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:13:12,870 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:13:12,871 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:13:12,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2025-01-09 01:13:14,168 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f00514f62/5f1c75281a3e42a5b5eb6522fbc6cb6f/FLAGfc0e9e138 [2025-01-09 01:13:14,417 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:13:14,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2025-01-09 01:13:14,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f00514f62/5f1c75281a3e42a5b5eb6522fbc6cb6f/FLAGfc0e9e138 [2025-01-09 01:13:14,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f00514f62/5f1c75281a3e42a5b5eb6522fbc6cb6f [2025-01-09 01:13:14,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:13:14,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:13:14,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:13:14,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:13:14,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:13:14,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582d3bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14, skipping insertion in model container [2025-01-09 01:13:14,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:13:14,652 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_1300.c[1563,1576] [2025-01-09 01:13:14,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:13:14,662 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:13:14,686 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_1300.c[1563,1576] [2025-01-09 01:13:14,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:13:14,704 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:13:14,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14 WrapperNode [2025-01-09 01:13:14,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:13:14,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:13:14,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:13:14,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:13:14,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,747 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2025-01-09 01:13:14,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:13:14,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:13:14,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:13:14,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:13:14,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,779 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-01-09 01:13:14,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,787 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:13:14,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:13:14,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:13:14,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:13:14,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (1/1) ... [2025-01-09 01:13:14,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:14,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:13:14,843 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 01:13:14,846 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 01:13:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:13:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:13:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:13:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:13:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:13:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:13:14,943 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:13:14,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:13:15,116 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2025-01-09 01:13:15,116 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:13:15,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:13:15,126 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 01:13:15,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:15 BoogieIcfgContainer [2025-01-09 01:13:15,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:13:15,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:13:15,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:13:15,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:13:15,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:13:14" (1/3) ... [2025-01-09 01:13:15,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55168717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:13:15, skipping insertion in model container [2025-01-09 01:13:15,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:14" (2/3) ... [2025-01-09 01:13:15,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55168717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:13:15, skipping insertion in model container [2025-01-09 01:13:15,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:15" (3/3) ... [2025-01-09 01:13:15,137 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2025-01-09 01:13:15,149 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:13:15,151 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1300.c that has 1 procedures, 35 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2025-01-09 01:13:15,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:13:15,221 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;@28547b6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:13:15,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 01:13:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 34 states have internal predecessors, (49), 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 01:13:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:13:15,231 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:15,231 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:13:15,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:15,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-09 01:13:15,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:13:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650551408] [2025-01-09 01:13:15,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:13:15,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:13:15,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:13:15,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:15,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:13:15,326 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:13:15,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:13:15,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:13:15,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:15,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:13:15,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:13:15,354 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:13:15,355 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 3 remaining) [2025-01-09 01:13:15,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 3 remaining) [2025-01-09 01:13:15,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2025-01-09 01:13:15,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:13:15,361 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:13:15,375 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:13:15,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:13:15 BoogieIcfgContainer [2025-01-09 01:13:15,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:13:15,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:13:15,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:13:15,382 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:13:15,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:15" (3/4) ... [2025-01-09 01:13:15,385 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:13:15,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:13:15,387 INFO L158 Benchmark]: Toolchain (without parser) took 921.10ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 82.2MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,387 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.30ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 113.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.53ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,389 INFO L158 Benchmark]: Boogie Preprocessor took 52.94ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,389 INFO L158 Benchmark]: RCFGBuilder took 320.72ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 94.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,390 INFO L158 Benchmark]: TraceAbstraction took 249.27ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 83.1MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,392 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 858.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.30ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 113.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.53ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.94ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 320.72ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 94.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 249.27ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 83.1MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 858.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 21. Possible FailurePath: [L52] double x = __VERIFIER_nondet_double(); [L55] CALL isinf_double(x) [L19] __int32_t hx, lx; [L21] ieee_double_shape_type ew_u; - UnprovableResult [Line: 38]: 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: 61]: 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, 35 locations, 3 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=35occurred 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 01:13:15,412 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_1300.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 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:13:17,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:13:17,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:13:17,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:13:17,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:13:17,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:13:17,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:13:17,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:13:17,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:13:17,879 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:13:17,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:13:17,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:13:17,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:13:17,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:13:17,881 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:13:17,882 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:17,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:17,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:13:17,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:13:17,884 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:13:17,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:13:17,884 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:13:17,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:13:17,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:13:17,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:13:17,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:13:17,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:13:17,885 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 -> 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d [2025-01-09 01:13:18,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:13:18,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:13:18,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:13:18,183 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:13:18,184 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:13:18,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2025-01-09 01:13:19,530 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e48a9efc/0de6e5794bea42eabf7f343e1e4bd76b/FLAG081afe4c4 [2025-01-09 01:13:19,772 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:13:19,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2025-01-09 01:13:19,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e48a9efc/0de6e5794bea42eabf7f343e1e4bd76b/FLAG081afe4c4 [2025-01-09 01:13:19,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e48a9efc/0de6e5794bea42eabf7f343e1e4bd76b [2025-01-09 01:13:19,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:13:19,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:13:19,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:13:19,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:13:19,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:13:19,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:13:19" (1/1) ... [2025-01-09 01:13:19,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a04607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:19, skipping insertion in model container [2025-01-09 01:13:19,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:13:19" (1/1) ... [2025-01-09 01:13:19,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:13:19,991 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_1300.c[1563,1576] [2025-01-09 01:13:19,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:13:20,008 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:13:20,032 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_1300.c[1563,1576] [2025-01-09 01:13:20,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:13:20,056 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:13:20,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20 WrapperNode [2025-01-09 01:13:20,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:13:20,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:13:20,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:13:20,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:13:20,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,099 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2025-01-09 01:13:20,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:13:20,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:13:20,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:13:20,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:13:20,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,127 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-01-09 01:13:20,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:13:20,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:13:20,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:13:20,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:13:20,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (1/1) ... [2025-01-09 01:13:20,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:13:20,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:13:20,187 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 01:13:20,190 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 01:13:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:13:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:13:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:13:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:13:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:13:20,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:13:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:13:20,306 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:13:20,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:13:20,772 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2025-01-09 01:13:20,773 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:13:20,784 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:13:20,784 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 01:13:20,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:20 BoogieIcfgContainer [2025-01-09 01:13:20,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:13:20,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:13:20,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:13:20,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:13:20,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:13:19" (1/3) ... [2025-01-09 01:13:20,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9ff8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:13:20, skipping insertion in model container [2025-01-09 01:13:20,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:13:20" (2/3) ... [2025-01-09 01:13:20,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9ff8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:13:20, skipping insertion in model container [2025-01-09 01:13:20,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:20" (3/3) ... [2025-01-09 01:13:20,793 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2025-01-09 01:13:20,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:13:20,812 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1300.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 01:13:20,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:13:20,877 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;@60ea1bfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:13:20,878 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:13:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 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 01:13:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 01:13:20,888 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:20,889 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:13:20,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:20,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:20,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1689978203, now seen corresponding path program 1 times [2025-01-09 01:13:20,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:13:20,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542213303] [2025-01-09 01:13:20,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:20,908 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 01:13:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:13:20,913 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 01:13:20,915 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 01:13:20,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 01:13:20,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 01:13:20,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:20,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:13:20,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:13:21,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:13:21,031 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 01:13:21,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:13:21,032 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:13:21,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542213303] [2025-01-09 01:13:21,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542213303] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:13:21,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:13:21,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:13:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271470633] [2025-01-09 01:13:21,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:13:21,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:13:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:13:21,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:13:21,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:13:21,058 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:21,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:21,067 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2025-01-09 01:13:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:13:21,069 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-09 01:13:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:21,073 INFO L225 Difference]: With dead ends: 38 [2025-01-09 01:13:21,074 INFO L226 Difference]: Without dead ends: 16 [2025-01-09 01:13:21,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 01:13:21,079 INFO L435 NwaCegarLoop]: 21 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, 21 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 01:13:21,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:13:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-01-09 01:13:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-01-09 01:13:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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 01:13:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2025-01-09 01:13:21,109 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2025-01-09 01:13:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:21,110 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2025-01-09 01:13:21,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2025-01-09 01:13:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-09 01:13:21,110 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:21,110 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:13:21,116 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-01-09 01:13:21,311 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 01:13:21,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:21,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash -640441738, now seen corresponding path program 1 times [2025-01-09 01:13:21,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:13:21,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321791750] [2025-01-09 01:13:21,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:21,313 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 01:13:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:13:21,315 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 01:13:21,316 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 01:13:21,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-09 01:13:21,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-09 01:13:21,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:21,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:13:21,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 01:13:21,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:13:21,427 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 01:13:21,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:13:21,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:13:21,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321791750] [2025-01-09 01:13:21,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321791750] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:13:21,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:13:21,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 01:13:21,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798317309] [2025-01-09 01:13:21,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:13:21,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 01:13:21,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:13:21,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 01:13:21,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 01:13:21,429 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:21,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:21,443 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2025-01-09 01:13:21,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 01:13:21,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-09 01:13:21,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:21,444 INFO L225 Difference]: With dead ends: 24 [2025-01-09 01:13:21,445 INFO L226 Difference]: Without dead ends: 16 [2025-01-09 01:13:21,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 01:13:21,445 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 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 01:13:21,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:13:21,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-01-09 01:13:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-01-09 01:13:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 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 01:13:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2025-01-09 01:13:21,448 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2025-01-09 01:13:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:21,448 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2025-01-09 01:13:21,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2025-01-09 01:13:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-09 01:13:21,449 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:21,449 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:13:21,453 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 01:13:21,650 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 01:13:21,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:21,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:21,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1008774791, now seen corresponding path program 1 times [2025-01-09 01:13:21,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:13:21,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036988953] [2025-01-09 01:13:21,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:21,652 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 01:13:21,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:13:21,655 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 01:13:21,656 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 01:13:21,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 01:13:21,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 01:13:21,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:21,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:13:21,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-09 01:13:21,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:13:25,174 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (and (fp.eq .cse0 .cse0) (= (_ bv0 32) (bvadd (_ bv1 32) (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor (bvneg .cse2) .cse2)) (_ bv31 32)) (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) (_ bv2147483647 32))))))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))) (= |c_ULTIMATE.start_isfinite_double_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)))))) is different from true [2025-01-09 01:13:26,230 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 01:13:26,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:13:26,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:13:26,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036988953] [2025-01-09 01:13:26,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036988953] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:13:26,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:13:26,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-09 01:13:26,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122397304] [2025-01-09 01:13:26,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:13:26,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 01:13:26,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:13:26,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 01:13:26,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=92, Unknown=1, NotChecked=18, Total=132 [2025-01-09 01:13:26,232 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 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 01:13:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:31,120 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2025-01-09 01:13:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 01:13:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 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 01:13:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:31,127 INFO L225 Difference]: With dead ends: 16 [2025-01-09 01:13:31,127 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:13:31,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=36, Invalid=176, Unknown=2, NotChecked=26, Total=240 [2025-01-09 01:13:31,128 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-09 01:13:31,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 11 Unchecked, 1.1s Time] [2025-01-09 01:13:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:13:31,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:13:31,129 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 01:13:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:13:31,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-01-09 01:13:31,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:31,129 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:13:31,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 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 01:13:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:13:31,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:13:31,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:13:31,139 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 01:13:31,338 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 01:13:31,341 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 01:13:31,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:13:31,365 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:13:31,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:31,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:13:31 BoogieIcfgContainer [2025-01-09 01:13:31,376 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:13:31,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:13:31,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:13:31,378 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:13:31,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:13:20" (3/4) ... [2025-01-09 01:13:31,381 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:13:31,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-01-09 01:13:31,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 01:13:31,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 01:13:31,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:13:31,471 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:13:31,471 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:13:31,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:13:31,473 INFO L158 Benchmark]: Toolchain (without parser) took 11664.99ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 45.4MB in the end (delta: 14.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2025-01-09 01:13:31,473 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:31,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.07ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:31,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.70ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:31,474 INFO L158 Benchmark]: Boogie Preprocessor took 46.37ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:31,474 INFO L158 Benchmark]: RCFGBuilder took 634.86ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 32.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:31,475 INFO L158 Benchmark]: TraceAbstraction took 10589.01ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 51.3MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:31,475 INFO L158 Benchmark]: Witness Printer took 93.60ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 45.4MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:31,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.07ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.70ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.37ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 634.86ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 32.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10589.01ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 51.3MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.60ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 45.4MB in the end (delta: 5.9MB). 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 * 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: 61]: 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 11 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 41 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 11 QuantifiedInterpolants, 755 SizeOfPredicates, 5 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == x) RESULT: Ultimate proved your program to be correct! [2025-01-09 01:13:31,548 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