./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:01:09,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:01:09,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:01:09,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:01:09,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:01:09,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:01:09,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:01:09,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:01:09,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:01:09,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:01:09,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:01:09,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:01:09,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:01:09,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:01:09,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:01:09,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:01:09,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:01:09,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:01:09,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:01:09,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:01:09,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:01:09,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:01:09,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:01:09,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:01:09,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:01:09,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:01:09,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:01:09,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:01:09,800 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:01:09,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:01:09,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:01:09,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:01:09,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:01:09,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:01:09,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:01:09,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:01:09,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:01:09,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:01:09,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:01:09,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:01:09,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:01:09,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:01:09,807 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe [2024-11-16 08:01:10,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:01:10,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:01:10,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:01:10,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:01:10,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:01:10,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2024-11-16 08:01:11,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:01:11,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:01:11,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2024-11-16 08:01:11,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08da0f629/11599f2b1f2f429fb49cf31848f379fa/FLAG28d046714 [2024-11-16 08:01:12,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08da0f629/11599f2b1f2f429fb49cf31848f379fa [2024-11-16 08:01:12,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:01:12,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:01:12,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:01:12,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:01:12,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:01:12,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ec457b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12, skipping insertion in model container [2024-11-16 08:01:12,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:01:12,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-11-16 08:01:12,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:01:12,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:01:12,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2024-11-16 08:01:12,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:01:12,393 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:01:12,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12 WrapperNode [2024-11-16 08:01:12,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:01:12,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:01:12,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:01:12,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:01:12,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,440 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-16 08:01:12,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:01:12,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:01:12,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:01:12,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:01:12,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,464 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 8, 5]. 53 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 8, 1]. The 1 writes are split as follows [0, 0, 1]. [2024-11-16 08:01:12,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:01:12,473 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:01:12,473 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:01:12,474 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:01:12,474 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (1/1) ... [2024-11-16 08:01:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:01:12,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:01:12,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 08:01:12,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 08:01:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_18_0 [2024-11-16 08:01:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_18_0 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 08:01:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 08:01:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:01:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:01:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 08:01:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 08:01:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 08:01:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 08:01:12,720 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:01:12,722 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:01:12,861 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: call ULTIMATE.dealloc(main_~#s~0#1.base, main_~#s~0#1.offset);havoc main_~#s~0#1.base, main_~#s~0#1.offset; [2024-11-16 08:01:12,876 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-16 08:01:12,876 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:01:12,891 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:01:12,892 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:01:12,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:01:12 BoogieIcfgContainer [2024-11-16 08:01:12,892 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:01:12,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:01:12,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:01:12,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:01:12,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:01:12" (1/3) ... [2024-11-16 08:01:12,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464bc608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:12, skipping insertion in model container [2024-11-16 08:01:12,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:12" (2/3) ... [2024-11-16 08:01:12,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464bc608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:12, skipping insertion in model container [2024-11-16 08:01:12,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:01:12" (3/3) ... [2024-11-16 08:01:12,904 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_const.c [2024-11-16 08:01:12,919 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:01:12,920 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 08:01:12,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:01:12,988 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;@4b5aa6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:01:12,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 08:01:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 08:01:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-16 08:01:12,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:01:13,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:01:13,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:01:13,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:01:13,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1627710154, now seen corresponding path program 1 times [2024-11-16 08:01:13,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:01:13,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467257445] [2024-11-16 08:01:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:01:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:01:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:01:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:01:13,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:01:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467257445] [2024-11-16 08:01:13,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467257445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:01:13,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:01:13,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:01:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367266782] [2024-11-16 08:01:13,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:01:13,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:01:13,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:01:13,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:01:13,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:01:13,547 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:01:13,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:01:13,649 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2024-11-16 08:01:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:01:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-16 08:01:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:01:13,658 INFO L225 Difference]: With dead ends: 43 [2024-11-16 08:01:13,658 INFO L226 Difference]: Without dead ends: 14 [2024-11-16 08:01:13,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:01:13,664 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 25 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:01:13,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 43 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:01:13,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-16 08:01:13,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-16 08:01:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:01:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-16 08:01:13,691 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2024-11-16 08:01:13,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:01:13,691 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-16 08:01:13,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:01:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-16 08:01:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-16 08:01:13,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:01:13,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:01:13,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:01:13,693 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:01:13,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:01:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1599081003, now seen corresponding path program 1 times [2024-11-16 08:01:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:01:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997418918] [2024-11-16 08:01:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:01:13,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:01:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:01:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:01:13,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:01:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997418918] [2024-11-16 08:01:13,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997418918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:01:13,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:01:13,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:01:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234235633] [2024-11-16 08:01:13,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:01:13,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:01:13,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:01:13,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:01:13,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:01:13,904 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:01:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:01:13,952 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-11-16 08:01:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:01:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-16 08:01:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:01:13,953 INFO L225 Difference]: With dead ends: 14 [2024-11-16 08:01:13,953 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 08:01:13,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:01:13,955 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:01:13,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:01:13,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 08:01:13,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 08:01:13,957 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) [2024-11-16 08:01:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 08:01:13,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-16 08:01:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:01:13,958 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 08:01:13,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:01:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 08:01:13,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 08:01:13,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_13_to_18_0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 08:01:13,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:01:13,965 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 08:01:13,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 08:01:14,022 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 08:01:14,049 WARN L156 FloydHoareUtils]: Requires clause for func_to_recursive_line_13_to_18_0 contained old-variable. Original clause: (and (= (select (select |#memory_int#2| |func_to_recursive_line_13_to_18_0_#in~s#1.base|) |func_to_recursive_line_13_to_18_0_#in~s#1.offset|) 0) (= (select (select |old(#memory_int#2)| |func_to_recursive_line_13_to_18_0_#in~s#1.base|) |func_to_recursive_line_13_to_18_0_#in~s#1.offset|) 0)) Eliminated clause: (and (= (select (select |#memory_int#2| |func_to_recursive_line_13_to_18_0_#in~s#1.base|) |func_to_recursive_line_13_to_18_0_#in~s#1.offset|) 0) (exists ((|old(#memory_int#2)| (Array Int (Array Int Int)))) (= (select (select |old(#memory_int#2)| |func_to_recursive_line_13_to_18_0_#in~s#1.base|) |func_to_recursive_line_13_to_18_0_#in~s#1.offset|) 0))) [2024-11-16 08:01:14,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-16 08:01:14,056 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-16 08:01:14,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~s!base,]]] [2024-11-16 08:01:14,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-16 08:01:14,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-16 08:01:14,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]] [2024-11-16 08:01:14,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]],[IdentifierExpression[#in~s!base,]]] [2024-11-16 08:01:14,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:01:14 BoogieIcfgContainer [2024-11-16 08:01:14,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 08:01:14,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 08:01:14,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 08:01:14,062 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 08:01:14,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:01:12" (3/4) ... [2024-11-16 08:01:14,066 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 08:01:14,072 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_18_0 [2024-11-16 08:01:14,076 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-16 08:01:14,076 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 08:01:14,077 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 08:01:14,077 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 08:01:14,077 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 08:01:14,154 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 08:01:14,155 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 08:01:14,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 08:01:14,155 INFO L158 Benchmark]: Toolchain (without parser) took 2031.07ms. Allocated memory is still 174.1MB. Free memory was 94.3MB in the beginning and 55.1MB in the end (delta: 39.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,156 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 08:01:14,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.31ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 143.3MB in the end (delta: -49.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.69ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 144.7MB in the end (delta: -1.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,156 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,157 INFO L158 Benchmark]: IcfgBuilder took 419.07ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 136.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,157 INFO L158 Benchmark]: TraceAbstraction took 1167.33ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 60.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,157 INFO L158 Benchmark]: Witness Printer took 92.82ms. Allocated memory is still 174.1MB. Free memory was 60.4MB in the beginning and 55.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 08:01:14,159 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.31ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 143.3MB in the end (delta: -49.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.69ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 144.7MB in the end (delta: -1.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 419.07ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 136.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.33ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 60.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 92.82ms. Allocated memory is still 174.1MB. Free memory was 60.4MB in the beginning and 55.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~s!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]],[IdentifierExpression[#in~s!base,]]] * 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: 27]: 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 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 23 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 08:01:14,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE