./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/res2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd --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 0.3.0-dev-826ab2b [2024-11-13 12:49:04,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:49:04,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:49:04,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:49:04,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:49:04,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:49:04,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:49:04,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:49:04,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:49:04,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:49:04,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:49:04,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:49:04,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:49:04,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:49:04,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:49:04,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:49:04,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:49:04,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:49:04,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:49:04,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:49:04,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:49:04,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:49:04,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:49:04,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:49:04,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:49:04,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:49:04,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:49:04,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:49:04,492 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 12:49:04,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:49:04,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:49:04,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:49:04,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:49:04,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:49:04,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-fpi/res2f.c Unable to find full path for "g++" [2024-11-13 12:49:07,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:49:07,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:49:07,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/sv-benchmarks/c/array-fpi/res2f.c [2024-11-13 12:49:07,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/data/df3a86686/0262fd75d3ec488a80743e38222ea195/FLAGebfc40d27 [2024-11-13 12:49:07,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/data/df3a86686/0262fd75d3ec488a80743e38222ea195 [2024-11-13 12:49:07,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:49:07,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:49:07,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:49:07,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:49:07,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:49:07,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:49:07" (1/1) ... [2024-11-13 12:49:07,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9ad78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:07, skipping insertion in model container [2024-11-13 12:49:07,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:49:07" (1/1) ... [2024-11-13 12:49:07,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:49:07,956 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/sv-benchmarks/c/array-fpi/res2f.c[588,601] [2024-11-13 12:49:08,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:49:08,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:49:08,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/sv-benchmarks/c/array-fpi/res2f.c[588,601] [2024-11-13 12:49:08,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:49:08,078 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:49:08,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08 WrapperNode [2024-11-13 12:49:08,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:49:08,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:49:08,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:49:08,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:49:08,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,138 INFO L138 Inliner]: procedures = 17, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-13 12:49:08,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:49:08,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:49:08,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:49:08,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:49:08,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,184 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]. [2024-11-13 12:49:08,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:49:08,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:49:08,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:49:08,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:49:08,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (1/1) ... [2024-11-13 12:49:08,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:49:08,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:08,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:49:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:49:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:49:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:49:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:49:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:49:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:49:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:49:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:49:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:49:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:49:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:49:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 12:49:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:49:08,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:49:08,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:49:08,690 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 12:49:08,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:49:08,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:49:08,703 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 12:49:08,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:08 BoogieIcfgContainer [2024-11-13 12:49:08,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:49:08,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:49:08,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:49:08,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:49:08,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:49:07" (1/3) ... [2024-11-13 12:49:08,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba4fe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:49:08, skipping insertion in model container [2024-11-13 12:49:08,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:08" (2/3) ... [2024-11-13 12:49:08,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba4fe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:49:08, skipping insertion in model container [2024-11-13 12:49:08,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:08" (3/3) ... [2024-11-13 12:49:08,721 INFO L112 eAbstractionObserver]: Analyzing ICFG res2f.c [2024-11-13 12:49:08,747 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:49:08,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG res2f.c that has 1 procedures, 24 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-13 12:49:08,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:49:08,861 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;@e764be5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:49:08,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:49:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:49:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 12:49:08,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:08,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:08,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:49:08,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:08,883 INFO L85 PathProgramCache]: Analyzing trace with hash 307221674, now seen corresponding path program 1 times [2024-11-13 12:49:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:49:08,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326727694] [2024-11-13 12:49:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:08,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:49:09,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:49:09,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326727694] [2024-11-13 12:49:09,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326727694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:49:09,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:49:09,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:49:09,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032434273] [2024-11-13 12:49:09,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:49:09,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:49:09,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:49:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:49:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:49:09,156 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 23 states have internal predecessors, (38), 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) [2024-11-13 12:49:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:09,172 INFO L93 Difference]: Finished difference Result 44 states and 70 transitions. [2024-11-13 12:49:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:49:09,174 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 [2024-11-13 12:49:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:09,180 INFO L225 Difference]: With dead ends: 44 [2024-11-13 12:49:09,180 INFO L226 Difference]: Without dead ends: 20 [2024-11-13 12:49:09,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:49:09,186 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:09,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:49:09,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-13 12:49:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-13 12:49:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:49:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-13 12:49:09,219 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 19 [2024-11-13 12:49:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:09,219 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-13 12:49:09,219 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) [2024-11-13 12:49:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 12:49:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 12:49:09,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:09,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:09,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:49:09,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:49:09,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash 72207340, now seen corresponding path program 1 times [2024-11-13 12:49:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:49:09,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8577987] [2024-11-13 12:49:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:49:09,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:49:09,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8577987] [2024-11-13 12:49:09,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8577987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:49:09,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:49:09,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:49:09,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166442346] [2024-11-13 12:49:09,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:49:09,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:49:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:49:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:49:09,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:49:09,555 INFO L87 Difference]: Start difference. First operand 20 states and 25 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) [2024-11-13 12:49:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:09,692 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2024-11-13 12:49:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:49:09,693 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 [2024-11-13 12:49:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:09,694 INFO L225 Difference]: With dead ends: 40 [2024-11-13 12:49:09,694 INFO L226 Difference]: Without dead ends: 26 [2024-11-13 12:49:09,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:49:09,695 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:09,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 14 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:49:09,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-13 12:49:09,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-13 12:49:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:49:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-11-13 12:49:09,704 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2024-11-13 12:49:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:09,705 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-13 12:49:09,705 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) [2024-11-13 12:49:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-13 12:49:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 12:49:09,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:09,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:09,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:49:09,707 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:49:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1349479276, now seen corresponding path program 1 times [2024-11-13 12:49:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:49:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2534205] [2024-11-13 12:49:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:49:09,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:49:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:49:09,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:49:09,921 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:49:09,923 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:49:09,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:49:09,930 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 12:49:10,007 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:49:10,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:49:10 BoogieIcfgContainer [2024-11-13 12:49:10,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:49:10,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:49:10,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:49:10,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:49:10,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:08" (3/4) ... [2024-11-13 12:49:10,016 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 12:49:10,090 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d52226-34c9-4379-9952-aed706bbc925/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:49:10,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:49:10,092 INFO L158 Benchmark]: Toolchain (without parser) took 2371.36ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 112.5MB in the end (delta: 6.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-13 12:49:10,093 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:49:10,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.15ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:49:10,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.57ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:49:10,096 INFO L158 Benchmark]: Boogie Preprocessor took 74.64ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:49:10,097 INFO L158 Benchmark]: RCFGBuilder took 486.48ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:49:10,098 INFO L158 Benchmark]: TraceAbstraction took 1301.46ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 115.6MB in the end (delta: -26.1MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-13 12:49:10,099 INFO L158 Benchmark]: Witness Printer took 77.37ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:49:10,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.15ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.57ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.64ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 486.48ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1301.46ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 115.6MB in the end (delta: -26.1MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 77.37ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [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={-3:0}, c={-2:0}, i=0, sum={9:0}] [L34] COND TRUE i