./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/brs4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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/array-fpi/brs4f.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 05e5859958057545f6793ebe7796122d5e384f482b893e96461261caa0771776 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 18:22:24,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 18:22:24,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 18:22:24,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 18:22:24,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 18:22:24,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 18:22:24,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 18:22:24,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 18:22:24,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 18:22:24,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 18:22:24,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 18:22:24,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 18:22:24,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 18:22:24,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 18:22:24,226 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 18:22:24,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 18:22:24,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 18:22:24,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 18:22:24,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 18:22:24,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 18:22:24,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 18:22:24,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 18:22:24,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 18:22:24,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 18:22:24,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 18:22:24,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 18:22:24,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 18:22:24,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 18:22:24,232 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 18:22:24,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 18:22:24,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 18:22:24,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 18:22:24,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 18:22:24,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 18:22:24,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 18:22:24,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 18:22:24,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 18:22:24,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 18:22:24,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 18:22:24,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 18:22:24,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 18:22:24,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 18:22:24,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e5859958057545f6793ebe7796122d5e384f482b893e96461261caa0771776 [2024-11-09 18:22:24,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 18:22:24,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 18:22:24,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 18:22:24,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 18:22:24,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 18:22:24,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/brs4f.c [2024-11-09 18:22:25,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 18:22:26,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 18:22:26,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/brs4f.c [2024-11-09 18:22:26,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb40b9c26/c02d67368f4949089c4d3e54d7da65f5/FLAG3d0656e47 [2024-11-09 18:22:26,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb40b9c26/c02d67368f4949089c4d3e54d7da65f5 [2024-11-09 18:22:26,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 18:22:26,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 18:22:26,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 18:22:26,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 18:22:26,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 18:22:26,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce8687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26, skipping insertion in model container [2024-11-09 18:22:26,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 18:22:26,283 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/array-fpi/brs4f.c[588,601] [2024-11-09 18:22:26,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 18:22:26,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 18:22:26,324 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/array-fpi/brs4f.c[588,601] [2024-11-09 18:22:26,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 18:22:26,351 INFO L204 MainTranslator]: Completed translation [2024-11-09 18:22:26,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26 WrapperNode [2024-11-09 18:22:26,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 18:22:26,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 18:22:26,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 18:22:26,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 18:22:26,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,389 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-09 18:22:26,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 18:22:26,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 18:22:26,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 18:22:26,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 18:22:26,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,469 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 8, 4, 3]. 47 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0]. The 4 writes are split as follows [0, 0, 2, 2]. [2024-11-09 18:22:26,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 18:22:26,524 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 18:22:26,525 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 18:22:26,525 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 18:22:26,526 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (1/1) ... [2024-11-09 18:22:26,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 18:22:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 18:22:26,564 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) [2024-11-09 18:22:26,568 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 [2024-11-09 18:22:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 18:22:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 18:22:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 18:22:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 18:22:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 18:22:26,663 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 18:22:26,665 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 18:22:26,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L28: call ULTIMATE.dealloc(main_~#sum~0#1.base, main_~#sum~0#1.offset);havoc main_~#sum~0#1.base, main_~#sum~0#1.offset; [2024-11-09 18:22:26,809 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 18:22:26,809 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 18:22:26,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 18:22:26,819 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 18:22:26,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:22:26 BoogieIcfgContainer [2024-11-09 18:22:26,820 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 18:22:26,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 18:22:26,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 18:22:26,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 18:22:26,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:22:26" (1/3) ... [2024-11-09 18:22:26,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494070ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:26, skipping insertion in model container [2024-11-09 18:22:26,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:26" (2/3) ... [2024-11-09 18:22:26,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494070ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:26, skipping insertion in model container [2024-11-09 18:22:26,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:22:26" (3/3) ... [2024-11-09 18:22:26,826 INFO L112 eAbstractionObserver]: Analyzing ICFG brs4f.c [2024-11-09 18:22:26,839 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 18:22:26,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 18:22:26,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 18:22:26,903 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;@14d244cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 18:22:26,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 18:22:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 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) [2024-11-09 18:22:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 18:22:26,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 18:22:26,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 18:22:26,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 18:22:26,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 18:22:26,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1176406123, now seen corresponding path program 1 times [2024-11-09 18:22:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 18:22:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853240931] [2024-11-09 18:22:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 18:22:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 18:22:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 18:22:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 18:22:27,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 18:22:27,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853240931] [2024-11-09 18:22:27,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853240931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 18:22:27,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 18:22:27,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 18:22:27,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574816968] [2024-11-09 18:22:27,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 18:22:27,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 18:22:27,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 18:22:27,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 18:22:27,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 18:22:27,105 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 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) [2024-11-09 18:22:27,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 18:22:27,116 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2024-11-09 18:22:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 18:22:27,118 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 [2024-11-09 18:22:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 18:22:27,124 INFO L225 Difference]: With dead ends: 43 [2024-11-09 18:22:27,124 INFO L226 Difference]: Without dead ends: 19 [2024-11-09 18:22:27,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 18:22:27,130 INFO L432 NwaCegarLoop]: 27 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, 27 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 [2024-11-09 18:22:27,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 18:22:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-09 18:22:27,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-09 18:22:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 18:22:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-09 18:22:27,156 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2024-11-09 18:22:27,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 18:22:27,156 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-09 18:22:27,157 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) [2024-11-09 18:22:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-09 18:22:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 18:22:27,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 18:22:27,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 18:22:27,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 18:22:27,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 18:22:27,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 18:22:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1493164272, now seen corresponding path program 1 times [2024-11-09 18:22:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 18:22:27,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455474953] [2024-11-09 18:22:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 18:22:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 18:22:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 18:22:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 18:22:27,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 18:22:27,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455474953] [2024-11-09 18:22:27,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455474953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 18:22:27,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 18:22:27,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 18:22:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599773212] [2024-11-09 18:22:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 18:22:27,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 18:22:27,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 18:22:27,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 18:22:27,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 18:22:27,306 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-09 18:22:27,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 18:22:27,344 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2024-11-09 18:22:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 18:22:27,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 [2024-11-09 18:22:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 18:22:27,346 INFO L225 Difference]: With dead ends: 41 [2024-11-09 18:22:27,346 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 18:22:27,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 18:22:27,347 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 29 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 18:22:27,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 18 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 18:22:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 18:22:27,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-09 18:22:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 18:22:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-09 18:22:27,353 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 14 [2024-11-09 18:22:27,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 18:22:27,353 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-09 18:22:27,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-09 18:22:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-09 18:22:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 18:22:27,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 18:22:27,354 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 18:22:27,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 18:22:27,354 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 18:22:27,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 18:22:27,355 INFO L85 PathProgramCache]: Analyzing trace with hash -75358128, now seen corresponding path program 1 times [2024-11-09 18:22:27,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 18:22:27,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189083817] [2024-11-09 18:22:27,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 18:22:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 18:22:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 18:22:27,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 18:22:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 18:22:27,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 18:22:27,436 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 18:22:27,437 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 18:22:27,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 18:22:27,440 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 18:22:27,464 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 18:22:27,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:22:27 BoogieIcfgContainer [2024-11-09 18:22:27,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 18:22:27,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 18:22:27,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 18:22:27,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 18:22:27,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 06:22:26" (3/4) ... [2024-11-09 18:22:27,470 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 18:22:27,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 18:22:27,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 18:22:27,506 INFO L158 Benchmark]: Toolchain (without parser) took 1403.66ms. Allocated memory is still 172.0MB. Free memory was 101.6MB in the beginning and 84.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,506 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 18:22:27,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.78ms. Allocated memory is still 172.0MB. Free memory was 101.4MB in the beginning and 88.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 172.0MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 18:22:27,507 INFO L158 Benchmark]: Boogie Preprocessor took 123.47ms. Allocated memory is still 172.0MB. Free memory was 86.9MB in the beginning and 141.3MB in the end (delta: -54.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,507 INFO L158 Benchmark]: IcfgBuilder took 295.19ms. Allocated memory is still 172.0MB. Free memory was 141.3MB in the beginning and 128.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,507 INFO L158 Benchmark]: TraceAbstraction took 646.64ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 86.1MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,508 INFO L158 Benchmark]: Witness Printer took 36.84ms. Allocated memory is still 172.0MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 18:22:27,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.78ms. Allocated memory is still 172.0MB. Free memory was 101.4MB in the beginning and 88.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 172.0MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 123.47ms. Allocated memory is still 172.0MB. Free memory was 86.9MB in the beginning and 141.3MB in the end (delta: -54.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * IcfgBuilder took 295.19ms. Allocated memory is still 172.0MB. Free memory was 141.3MB in the beginning and 128.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 646.64ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 86.1MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 36.84ms. Allocated memory is still 172.0MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={9:0}] [L31] COND TRUE i