./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/res2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res2f.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 219ff25dcfb107eec264b890e617d01b4ab0eae8d593ab3965da9d4eaab5cf5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 20:08:37,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 20:08:37,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 20:08:37,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 20:08:37,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 20:08:37,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 20:08:37,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 20:08:37,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 20:08:37,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 20:08:37,223 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 20:08:37,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 20:08:37,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 20:08:37,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 20:08:37,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 20:08:37,237 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 20:08:37,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 20:08:37,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 20:08:37,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 20:08:37,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 20:08:37,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 20:08:37,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 20:08:37,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 20:08:37,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 20:08:37,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 20:08:37,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 20:08:37,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 20:08:37,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 20:08:37,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:08:37,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 20:08:37,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 20:08:37,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 20:08:37,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 20:08:37,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 20:08:37,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 20:08:37,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 20:08:37,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 20:08:37,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 20:08:37,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 219ff25dcfb107eec264b890e617d01b4ab0eae8d593ab3965da9d4eaab5cf5a [2024-10-23 20:08:37,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 20:08:37,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 20:08:37,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 20:08:37,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 20:08:37,500 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 20:08:37,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res2f.c [2024-10-23 20:08:38,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 20:08:39,110 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 20:08:39,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res2f.c [2024-10-23 20:08:39,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872e3a6dd/a1ffd4157e9d4fd59014b4d933e9613c/FLAGb6fb961b1 [2024-10-23 20:08:39,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872e3a6dd/a1ffd4157e9d4fd59014b4d933e9613c [2024-10-23 20:08:39,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 20:08:39,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 20:08:39,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 20:08:39,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 20:08:39,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 20:08:39,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71505256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39, skipping insertion in model container [2024-10-23 20:08:39,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 20:08:39,339 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/res2f.c[588,601] [2024-10-23 20:08:39,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:08:39,372 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 20:08:39,384 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/res2f.c[588,601] [2024-10-23 20:08:39,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:08:39,413 INFO L204 MainTranslator]: Completed translation [2024-10-23 20:08:39,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39 WrapperNode [2024-10-23 20:08:39,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 20:08:39,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 20:08:39,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 20:08:39,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 20:08:39,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,449 INFO L138 Inliner]: procedures = 17, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-10-23 20:08:39,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 20:08:39,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 20:08:39,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 20:08:39,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 20:08:39,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,486 INFO L175 MemorySlicer]: Split 24 memory accesses to 6 slices as follows [2, 8, 2, 2, 2, 8]. 33 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0, 0, 0]. The 7 writes are split as follows [0, 0, 1, 1, 1, 4]. [2024-10-23 20:08:39,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 20:08:39,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 20:08:39,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 20:08:39,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 20:08:39,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (1/1) ... [2024-10-23 20:08:39,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:08:39,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 20:08:39,549 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) [2024-10-23 20:08:39,555 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 [2024-10-23 20:08:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 20:08:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 20:08:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-23 20:08:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-23 20:08:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-23 20:08:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-23 20:08:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-23 20:08:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 20:08:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-23 20:08:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-23 20:08:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-23 20:08:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-23 20:08:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 20:08:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-23 20:08:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-23 20:08:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-23 20:08:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-23 20:08:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-23 20:08:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 20:08:39,677 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 20:08:39,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 20:08:39,880 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-23 20:08:39,881 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 20:08:39,916 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 20:08:39,917 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-23 20:08:39,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:08:39 BoogieIcfgContainer [2024-10-23 20:08:39,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 20:08:39,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 20:08:39,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 20:08:39,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 20:08:39,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:08:39" (1/3) ... [2024-10-23 20:08:39,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d208fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:08:39, skipping insertion in model container [2024-10-23 20:08:39,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:08:39" (2/3) ... [2024-10-23 20:08:39,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d208fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:08:39, skipping insertion in model container [2024-10-23 20:08:39,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:08:39" (3/3) ... [2024-10-23 20:08:39,924 INFO L112 eAbstractionObserver]: Analyzing ICFG res2f.c [2024-10-23 20:08:39,940 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 20:08:39,940 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 20:08:39,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 20:08:39,986 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;@6c3a8edd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 20:08:39,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 20:08:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.8) internal successors, (36), 21 states have internal predecessors, (36), 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) [2024-10-23 20:08:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-23 20:08:39,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:08:39,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:08:39,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:08:39,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:08:39,998 INFO L85 PathProgramCache]: Analyzing trace with hash -652346536, now seen corresponding path program 1 times [2024-10-23 20:08:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:08:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617675037] [2024-10-23 20:08:40,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:08:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:08:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:08:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:08:40,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:08:40,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617675037] [2024-10-23 20:08:40,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617675037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:08:40,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:08:40,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:08:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380466731] [2024-10-23 20:08:40,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:08:40,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 20:08:40,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:08:40,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 20:08:40,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 20:08:40,163 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.8) internal successors, (36), 21 states have internal predecessors, (36), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:08:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:08:40,193 INFO L93 Difference]: Finished difference Result 41 states and 67 transitions. [2024-10-23 20:08:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 20:08:40,195 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-23 20:08:40,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:08:40,205 INFO L225 Difference]: With dead ends: 41 [2024-10-23 20:08:40,205 INFO L226 Difference]: Without dead ends: 19 [2024-10-23 20:08:40,212 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 [2024-10-23 20:08:40,216 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:08:40,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 20:08:40,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-23 20:08:40,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-23 20:08:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 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) [2024-10-23 20:08:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2024-10-23 20:08:40,244 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 18 [2024-10-23 20:08:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:08:40,245 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-23 20:08:40,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:08:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-10-23 20:08:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-23 20:08:40,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:08:40,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:08:40,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 20:08:40,247 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:08:40,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:08:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash 582671336, now seen corresponding path program 1 times [2024-10-23 20:08:40,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:08:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268797290] [2024-10-23 20:08:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:08:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:08:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:08:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:08:40,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:08:40,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268797290] [2024-10-23 20:08:40,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268797290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:08:40,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:08:40,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 20:08:40,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697219014] [2024-10-23 20:08:40,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:08:40,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 20:08:40,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:08:40,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 20:08:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 20:08:40,396 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:08:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:08:40,441 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2024-10-23 20:08:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 20:08:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-23 20:08:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:08:40,442 INFO L225 Difference]: With dead ends: 39 [2024-10-23 20:08:40,442 INFO L226 Difference]: Without dead ends: 25 [2024-10-23 20:08:40,442 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 [2024-10-23 20:08:40,443 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:08:40,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 12 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 20:08:40,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-23 20:08:40,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-23 20:08:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 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) [2024-10-23 20:08:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-10-23 20:08:40,448 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 18 [2024-10-23 20:08:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:08:40,448 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-10-23 20:08:40,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:08:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-10-23 20:08:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-23 20:08:40,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:08:40,449 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] [2024-10-23 20:08:40,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 20:08:40,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:08:40,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:08:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2036974465, now seen corresponding path program 1 times [2024-10-23 20:08:40,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:08:40,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063629314] [2024-10-23 20:08:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:08:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:08:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:08:40,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 20:08:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:08:40,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-23 20:08:40,601 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 20:08:40,602 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 20:08:40,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-23 20:08:40,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-23 20:08:40,656 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 20:08:40,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:08:40 BoogieIcfgContainer [2024-10-23 20:08:40,662 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 20:08:40,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 20:08:40,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 20:08:40,663 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 20:08:40,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:08:39" (3/4) ... [2024-10-23 20:08:40,664 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-23 20:08:40,708 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-23 20:08:40,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 20:08:40,709 INFO L158 Benchmark]: Toolchain (without parser) took 1570.70ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 69.4MB in the beginning and 150.6MB in the end (delta: -81.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:08:40,709 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 104.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:08:40,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.74ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 69.1MB in the beginning and 161.6MB in the end (delta: -92.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-23 20:08:40,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.72ms. Allocated memory is still 197.1MB. Free memory was 161.6MB in the beginning and 159.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 20:08:40,710 INFO L158 Benchmark]: Boogie Preprocessor took 57.26ms. Allocated memory is still 197.1MB. Free memory was 159.5MB in the beginning and 157.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 20:08:40,711 INFO L158 Benchmark]: RCFGBuilder took 407.11ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 139.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-23 20:08:40,711 INFO L158 Benchmark]: TraceAbstraction took 743.59ms. Allocated memory is still 197.1MB. Free memory was 138.5MB in the beginning and 153.8MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:08:40,711 INFO L158 Benchmark]: Witness Printer took 45.67ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 150.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 20:08:40,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 104.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.74ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 69.1MB in the beginning and 161.6MB in the end (delta: -92.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.72ms. Allocated memory is still 197.1MB. Free memory was 161.6MB in the beginning and 159.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.26ms. Allocated memory is still 197.1MB. Free memory was 159.5MB in the beginning and 157.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.11ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 139.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 743.59ms. Allocated memory is still 197.1MB. Free memory was 138.5MB in the beginning and 153.8MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.67ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 150.6MB in the end (delta: 3.1MB). 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] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 1 [L34] i=0 VAL [N=1, a={-4:0}, b={-2:0}, c={-3:0}, i=0, sum={9:0}] [L34] COND TRUE i