./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/tree_del_iter_incorrect.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/tree_del_iter_incorrect.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:30:51,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:30:51,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:30:51,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:30:51,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:30:51,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:30:51,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:30:51,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:30:51,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:30:51,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:30:51,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:30:51,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:30:51,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:30:51,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:30:51,334 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:30:51,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:30:51,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:30:51,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:30:51,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:30:51,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:30:51,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:30:51,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:30:51,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:30:51,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:30:51,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:30:51,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:30:51,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:30:51,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:30:51,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:30:51,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:30:51,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:30:51,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:30:51,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:30:51,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:30:51,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:30:51,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:30:51,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:30:51,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:30:51,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:30:51,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:30:51,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:30:51,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:30:51,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:30:51,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:30:51,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:30:51,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:30:51,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:30:51,593 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:30:51,593 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:30:51,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/tree_del_iter_incorrect.yml/witness.yml [2024-08-14 14:30:51,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:30:51,684 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:30:51,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c [2024-08-14 14:30:52,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:30:53,079 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:30:53,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c [2024-08-14 14:30:53,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781b038c3/c9f10bdea059407694725890a2d39473/FLAG9a9f06d61 [2024-08-14 14:30:53,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781b038c3/c9f10bdea059407694725890a2d39473 [2024-08-14 14:30:53,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:30:53,463 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:30:53,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:30:53,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:30:53,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:30:53,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:51" (1/2) ... [2024-08-14 14:30:53,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59336583 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:30:53, skipping insertion in model container [2024-08-14 14:30:53,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:51" (1/2) ... [2024-08-14 14:30:53,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b39a5bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:30:53, skipping insertion in model container [2024-08-14 14:30:53,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:30:53" (2/2) ... [2024-08-14 14:30:53,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59336583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53, skipping insertion in model container [2024-08-14 14:30:53,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:30:53" (2/2) ... [2024-08-14 14:30:53,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:30:53,601 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c[619,632] [2024-08-14 14:30:53,631 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:30:53,647 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:30:53,662 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:30:53,672 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter_incorrect.c[619,632] [2024-08-14 14:30:53,679 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:30:53,687 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:30:53,701 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:30:53,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53 WrapperNode [2024-08-14 14:30:53,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:30:53,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:30:53,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:30:53,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:30:53,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,744 INFO L175 MemorySlicer]: Split 27 memory accesses to 4 slices as follows [2, 18, 2, 5]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 7 writes are split as follows [0, 4, 1, 2]. [2024-08-14 14:30:53,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:30:53,774 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:30:53,774 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:30:53,775 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:30:53,775 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (1/1) ... [2024-08-14 14:30:53,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:30:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:30:53,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:30:53,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:30:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:30:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:30:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:30:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:30:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:30:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:30:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:30:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2024-08-14 14:30:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure min [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:30:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure size [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure task [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-08-14 14:30:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:30:53,956 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:30:53,958 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:30:54,036 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L39: havoc ~a~0, ~b~0; [2024-08-14 14:30:54,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L27: havoc ~n~0.base, ~n~0.offset; [2024-08-14 14:30:54,189 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-08-14 14:30:54,189 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:30:54,197 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:30:54,197 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:30:54,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:30:54 BoogieIcfgContainer [2024-08-14 14:30:54,197 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:30:54,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:30:54,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:30:54,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:30:54,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:51" (1/4) ... [2024-08-14 14:30:54,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176d211 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:30:54, skipping insertion in model container [2024-08-14 14:30:54,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:30:53" (2/4) ... [2024-08-14 14:30:54,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176d211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:30:54, skipping insertion in model container [2024-08-14 14:30:54,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:53" (3/4) ... [2024-08-14 14:30:54,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176d211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:30:54, skipping insertion in model container [2024-08-14 14:30:54,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:30:54" (4/4) ... [2024-08-14 14:30:54,204 INFO L119 eAbstractionObserver]: Analyzing ICFG tree_del_iter_incorrect.c [2024-08-14 14:30:54,204 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:30:54,218 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:30:54,219 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:30:54,239 INFO L92 WitnessUtils]: Constructing product of automaton with 101 states and violation witness of the following lengths: [44] [2024-08-14 14:30:54,241 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 101 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-08-14 14:30:54,450 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 763 states to 252 states. [2024-08-14 14:30:54,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:30:54,473 INFO L357 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, mHoare=false, 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;@e7ba99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:30:54,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:30:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states. [2024-08-14 14:30:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-08-14 14:30:54,485 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:30:54,486 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:30:54,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:30:54,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:30:54,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1619538266, now seen corresponding path program 1 times [2024-08-14 14:30:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:30:54,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856227353] [2024-08-14 14:30:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:30:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:30:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:30:54,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:30:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:30:54,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:30:54,825 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:30:54,826 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:30:54,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:30:54,830 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:30:54,833 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:30:54,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:30:54 BoogieIcfgContainer [2024-08-14 14:30:54,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:30:54,872 INFO L158 Benchmark]: Toolchain (without parser) took 1408.68ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 79.3MB in the end (delta: 49.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-08-14 14:30:54,872 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:30:54,872 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:30:54,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.87ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 115.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:30:54,873 INFO L158 Benchmark]: Boogie Preprocessor took 71.30ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 112.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:30:54,873 INFO L158 Benchmark]: IcfgBuilder took 423.30ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 85.6MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:30:54,874 INFO L158 Benchmark]: TraceAbstraction took 672.37ms. Allocated memory is still 159.4MB. Free memory was 84.9MB in the beginning and 79.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-14 14:30:54,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.87ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 115.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.30ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 112.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 423.30ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 85.6MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 672.37ms. Allocated memory is still 159.4MB. Free memory was 84.9MB in the beginning and 79.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L105] CALL, EXPR nondet_tree() [L25] COND FALSE !(__VERIFIER_nondet_bool()) [L28] struct node *n = (struct node *)malloc(sizeof(struct node)); [L29] n->data = __VERIFIER_nondet_int() [L30] CALL, EXPR nondet_tree() [L25] COND TRUE __VERIFIER_nondet_bool() [L26] return 0; VAL [\result={0:0}] [L30] RET, EXPR nondet_tree() VAL [n={-2:0}] [L30] n->left = nondet_tree() [L31] CALL, EXPR nondet_tree() [L25] COND TRUE __VERIFIER_nondet_bool() [L26] return 0; VAL [\result={0:0}] [L31] RET, EXPR nondet_tree() VAL [n={-2:0}] [L31] n->right = nondet_tree() [L32] return n; VAL [\result={-2:0}] [L105] RET, EXPR nondet_tree() [L105] CALL task(nondet_tree()) VAL [\old(t)={-2:0}] [L83] CALL, EXPR min(t) VAL [\old(n)={-2:0}] [L37] COND FALSE !(!n) [L40] EXPR n->left VAL [\old(n)={-2:0}, n={-2:0}] [L40] CALL, EXPR min(n->left) VAL [\old(n)={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\old(n)={0:0}, \result=2147483647] [L40] RET, EXPR min(n->left) VAL [\old(n)={-2:0}, n={-2:0}] [L40] int a = min(n->left); [L41] EXPR n->right VAL [\old(n)={-2:0}, a=2147483647] [L41] CALL, EXPR min(n->right) VAL [\old(n)={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\old(n)={0:0}, \result=2147483647] [L41] RET, EXPR min(n->right) VAL [\old(n)={-2:0}, a=2147483647] [L41] int b = min(n->right); [L42] COND TRUE a <= b [L42] return a; VAL [\old(n)={-2:0}, \result=2147483647] [L83] RET, EXPR min(t) VAL [\old(t)={-2:0}, t={-2:0}] [L83] int a = min(t); [L84] int b; VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, t={-2:0}] [L86] CALL, EXPR size(t) VAL [\old(t)={-2:0}] [L78] COND FALSE !(!t) [L79] EXPR t->left VAL [\old(t)={-2:0}, t={-2:0}] [L79] CALL, EXPR size(t->left) VAL [\old(t)={0:0}] [L78] COND TRUE !t [L78] return 0; VAL [\old(t)={0:0}, \result=0] [L79] RET, EXPR size(t->left) VAL [\old(t)={-2:0}, t={-2:0}] [L79] EXPR t->right VAL [\old(t)={-2:0}] [L79] CALL, EXPR size(t->right) VAL [\old(t)={0:0}] [L78] COND TRUE !t [L78] return 0; VAL [\old(t)={0:0}, \result=0] [L79] RET, EXPR size(t->right) VAL [\old(t)={-2:0}] [L79] return size(t->left) + size(t->right) + 1; [L86] RET, EXPR size(t) VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, t={-2:0}] [L86] int n = size(t); [L87] CALL assume_abort_if_not(n != 0) VAL [\old(cond)=1] [L10] COND FALSE !(!cond) VAL [\old(cond)=1] [L87] RET assume_abort_if_not(n != 0) VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, n=1, t={-2:0}] [L88] EXPR, FCALL calloc(n, sizeof(int)) VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, n=1, t={-2:0}] [L88] int *x = calloc(n, sizeof(int)); [L89] CALL tree_inorder(t, x, n) VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}] [L67] COND FALSE !(!t) [L70] EXPR t->left VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}, a={-3:0}, i=1, t={-2:0}] [L70] CALL, EXPR tree_inorder(t->left, a, i) VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={0:0}] [L67] COND TRUE !t [L68] return i; VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={0:0}, \result=1, a={-3:0}] [L70] RET, EXPR tree_inorder(t->left, a, i) VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}, a={-3:0}, i=1, t={-2:0}] [L70] i = tree_inorder(t->left, a, i) [L71] EXPR i++ [L71] EXPR t->data [L71] a[i++] = t->data [L72] EXPR t->right VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}, a={-3:0}, i=2] [L72] CALL, EXPR tree_inorder(t->right, a, i) VAL [\old(a)={-3:0}, \old(i)=2, \old(t)={0:0}] [L67] COND TRUE !t [L68] return i; VAL [\old(a)={-3:0}, \old(i)=2, \old(t)={0:0}, \result=2, a={-3:0}] [L72] RET, EXPR tree_inorder(t->right, a, i) VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}, a={-3:0}, i=2] [L72] i = tree_inorder(t->right, a, i) [L73] return i; VAL [\old(a)={-3:0}, \old(i)=1, \old(t)={-2:0}, \result=2, a={-3:0}, i=2] [L89] RET tree_inorder(t, x, n) VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, n=1, t={-2:0}, x={-3:0}] [L90] EXPR x[0] VAL [\old(t)={-2:0}, a=2147483647, b={5:0}, n=1, t={-2:0}, x={-3:0}] [L90] CALL __VERIFIER_assert(a == x[0]) VAL [\old(cond)=0] [L16] COND TRUE !cond VAL [\old(cond)=0] [L16] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:30:54,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE