./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss2f.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:27:29,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:27:29,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-10 22:27:29,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:27:29,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:27:29,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:27:29,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:27:29,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:27:29,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:27:29,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:27:29,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:27:29,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:27:29,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:27:29,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:27:29,476 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:27:29,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:27:29,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:27:29,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-10 22:27:29,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:27:29,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-10 22:27:29,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:27:29,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:27:29,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:27:29,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:27:29,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:27:29,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-10 22:27:29,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:27:29,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:27:29,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:27:29,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:27:29,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:27:29,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:27:29,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:27:29,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:27:29,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:27:29,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:27:29,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:27:29,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:27:29,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:27:29,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:27:29,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:27:29,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:27:29,490 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 [2024-10-10 22:27:29,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:27:29,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:27:29,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:27:29,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:27:29,742 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:27:29,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss2f.c [2024-10-10 22:27:30,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:27:31,159 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:27:31,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss2f.c [2024-10-10 22:27:31,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/512c06cfb/84f1608f14724999a9122112052dbcd5/FLAGefe34ce5b [2024-10-10 22:27:31,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/512c06cfb/84f1608f14724999a9122112052dbcd5 [2024-10-10 22:27:31,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:27:31,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:27:31,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:27:31,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:27:31,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:27:31,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2676ea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31, skipping insertion in model container [2024-10-10 22:27:31,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:27:31,741 WARN L248 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/ss2f.c[587,600] [2024-10-10 22:27:31,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:27:31,779 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:27:31,791 WARN L248 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/ss2f.c[587,600] [2024-10-10 22:27:31,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:27:31,821 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:27:31,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31 WrapperNode [2024-10-10 22:27:31,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:27:31,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:27:31,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:27:31,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:27:31,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,864 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2024-10-10 22:27:31,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:27:31,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:27:31,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:27:31,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:27:31,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,896 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 7, 9, 7]. 36 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 7 writes are split as follows [0, 0, 4, 3]. [2024-10-10 22:27:31,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:27:31,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:27:31,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:27:31,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:27:31,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (1/1) ... [2024-10-10 22:27:31,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:27:31,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:27:31,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:27:31,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-10 22:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:27:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-10 22:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-10 22:27:32,064 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:27:32,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:27:32,206 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-10 22:27:32,206 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:27:32,235 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:27:32,236 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-10 22:27:32,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:27:32 BoogieIcfgContainer [2024-10-10 22:27:32,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:27:32,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:27:32,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:27:32,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:27:32,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:27:31" (1/3) ... [2024-10-10 22:27:32,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0ae235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:27:32, skipping insertion in model container [2024-10-10 22:27:32,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:31" (2/3) ... [2024-10-10 22:27:32,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0ae235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:27:32, skipping insertion in model container [2024-10-10 22:27:32,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:27:32" (3/3) ... [2024-10-10 22:27:32,243 INFO L112 eAbstractionObserver]: Analyzing ICFG ss2f.c [2024-10-10 22:27:32,256 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:27:32,257 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-10 22:27:32,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:27:32,304 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;@5af1daa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:27:32,305 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-10 22:27:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 23 states have internal predecessors, (40), 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) [2024-10-10 22:27:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-10 22:27:32,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:27:32,313 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:27:32,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:27:32,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:27:32,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1469922789, now seen corresponding path program 1 times [2024-10-10 22:27:32,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:27:32,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356465908] [2024-10-10 22:27:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:27:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:27:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:27:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:27:32,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:27:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356465908] [2024-10-10 22:27:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356465908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:27:32,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:27:32,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:27:32,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715299665] [2024-10-10 22:27:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:27:32,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-10 22:27:32,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:27:32,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-10 22:27:32,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-10 22:27:32,550 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 23 states have internal predecessors, (40), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:27:32,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:27:32,591 INFO L93 Difference]: Finished difference Result 45 states and 75 transitions. [2024-10-10 22:27:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-10 22:27:32,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-10-10 22:27:32,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:27:32,600 INFO L225 Difference]: With dead ends: 45 [2024-10-10 22:27:32,600 INFO L226 Difference]: Without dead ends: 21 [2024-10-10 22:27:32,603 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 [2024-10-10 22:27:32,608 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:27:32,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:27:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-10 22:27:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-10 22:27:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:27:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-10-10 22:27:32,680 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 19 [2024-10-10 22:27:32,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:27:32,681 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-10 22:27:32,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:27:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-10-10 22:27:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-10 22:27:32,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:27:32,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:27:32,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:27:32,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:27:32,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:27:32,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1100771157, now seen corresponding path program 1 times [2024-10-10 22:27:32,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:27:32,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238035158] [2024-10-10 22:27:32,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:27:32,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:27:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:27:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:27:32,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:27:32,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238035158] [2024-10-10 22:27:32,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238035158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:27:32,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:27:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-10 22:27:32,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498227006] [2024-10-10 22:27:32,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:27:32,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-10 22:27:32,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:27:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-10 22:27:32,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-10 22:27:32,872 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:27:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:27:32,936 INFO L93 Difference]: Finished difference Result 48 states and 65 transitions. [2024-10-10 22:27:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-10 22:27:32,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-10-10 22:27:32,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:27:32,937 INFO L225 Difference]: With dead ends: 48 [2024-10-10 22:27:32,937 INFO L226 Difference]: Without dead ends: 32 [2024-10-10 22:27:32,938 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 [2024-10-10 22:27:32,939 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 38 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-10 22:27:32,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 15 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-10 22:27:32,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-10 22:27:32,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2024-10-10 22:27:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 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) [2024-10-10 22:27:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2024-10-10 22:27:32,945 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 19 [2024-10-10 22:27:32,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:27:32,945 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2024-10-10 22:27:32,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:27:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-10-10 22:27:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-10 22:27:32,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:27:32,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:27:32,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-10 22:27:32,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:27:32,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:27:32,947 INFO L85 PathProgramCache]: Analyzing trace with hash -557488346, now seen corresponding path program 1 times [2024-10-10 22:27:32,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:27:32,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98068502] [2024-10-10 22:27:32,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:27:32,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:27:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-10 22:27:33,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603235565] [2024-10-10 22:27:33,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:27:33,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:27:33,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:27:33,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:27:33,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-10 22:27:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:27:33,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:27:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:27:33,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-10 22:27:33,177 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:27:33,178 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-10 22:27:33,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-10 22:27:33,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:27:33,383 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-10 22:27:33,413 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:27:33,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:27:33 BoogieIcfgContainer [2024-10-10 22:27:33,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:27:33,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:27:33,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:27:33,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:27:33,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:27:32" (3/4) ... [2024-10-10 22:27:33,418 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-10 22:27:33,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-10 22:27:33,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:27:33,454 INFO L158 Benchmark]: Toolchain (without parser) took 1888.71ms. Allocated memory is still 178.3MB. Free memory was 108.9MB in the beginning and 112.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:27:33,454 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:27:33,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.72ms. Allocated memory is still 178.3MB. Free memory was 108.7MB in the beginning and 95.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-10 22:27:33,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 178.3MB. Free memory was 95.5MB in the beginning and 93.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:27:33,456 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 178.3MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:27:33,456 INFO L158 Benchmark]: RCFGBuilder took 327.88ms. Allocated memory is still 178.3MB. Free memory was 91.3MB in the beginning and 74.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-10 22:27:33,457 INFO L158 Benchmark]: TraceAbstraction took 1178.37ms. Allocated memory is still 178.3MB. Free memory was 74.2MB in the beginning and 115.4MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:27:33,457 INFO L158 Benchmark]: Witness Printer took 37.01ms. Allocated memory is still 178.3MB. Free memory was 115.4MB in the beginning and 112.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-10 22:27:33,458 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 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.72ms. Allocated memory is still 178.3MB. Free memory was 108.7MB in the beginning and 95.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 178.3MB. Free memory was 95.5MB in the beginning and 93.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 178.3MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.88ms. Allocated memory is still 178.3MB. Free memory was 91.3MB in the beginning and 74.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.37ms. Allocated memory is still 178.3MB. Free memory was 74.2MB in the beginning and 115.4MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.01ms. Allocated memory is still 178.3MB. Free memory was 115.4MB in the beginning and 112.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. 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; [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] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={4:0}, i=0, sum={6:0}] [L32] COND TRUE i