./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/verifythis/tree_del_rec.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/tree_del_rec.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_rec.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/tree_del_rec.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 14:34:27,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:34:27,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:34:27,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:34:27,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:34:27,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:34:27,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:34:27,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:34:27,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:34:27,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:34:27,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:34:27,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:34:27,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:34:27,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:34:27,195 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:34:27,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:34:27,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:34:27,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:34:27,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:34:27,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:34:27,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:34:27,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:34:27,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:34:27,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:34:27,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:34:27,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:34:27,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:34:27,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:34:27,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:34:27,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:34:27,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:34:27,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:34:27,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:34:27,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:34:27,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:34:27,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:34:27,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:34:27,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:34:27,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:34:27,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:34:27,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:34:27,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:34:27,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:34:27,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:34:27,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:34:27,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:34:27,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:34:27,455 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:34:27,456 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:34:27,457 INFO L431 ainManager$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_rec.yml/witness.yml [2024-08-14 14:34:27,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:34:27,575 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:34:27,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_rec.c [2024-08-14 14:34:28,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:34:29,094 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:34:29,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_rec.c [2024-08-14 14:34:29,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be2ffd9ac/53b6cc7e10a14b2bbd2024588a649698/FLAGee65fc175 [2024-08-14 14:34:29,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be2ffd9ac/53b6cc7e10a14b2bbd2024588a649698 [2024-08-14 14:34:29,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:34:29,117 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:34:29,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:29,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:34:29,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:34:29,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:27" (1/2) ... [2024-08-14 14:34:29,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faf015e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:27" (1/2) ... [2024-08-14 14:34:29,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f5b804 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:29" (2/2) ... [2024-08-14 14:34:29,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faf015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:29" (2/2) ... [2024-08-14 14:34:29,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:34:29,291 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_rec.c[585,598] [2024-08-14 14:34:29,309 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:34:29,326 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:34:29,345 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:29,354 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:34:29,364 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_rec.c[585,598] [2024-08-14 14:34:29,370 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:34:29,373 WARN L1644 CHandler]: Possible shadowing of function min [2024-08-14 14:34:29,383 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:29,398 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:34:29,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29 WrapperNode [2024-08-14 14:34:29,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:29,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:34:29,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:34:29,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:34:29,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,449 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 2, 5, 16]. 64 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, 1, 2, 4]. [2024-08-14 14:34:29,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:34:29,473 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:34:29,473 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:34:29,473 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:34:29,474 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (1/1) ... [2024-08-14 14:34:29,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:34:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:34:29,507 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 14:34:29,509 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 14:34:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:34:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2024-08-14 14:34:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2024-08-14 14:34:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2024-08-14 14:34:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2024-08-14 14:34:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2024-08-14 14:34:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:34:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-08-14 14:34:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2024-08-14 14:34:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2024-08-14 14:34:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2024-08-14 14:34:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:34:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-08-14 14:34:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2024-08-14 14:34:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:34:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:34:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:34:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:34:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:34:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2024-08-14 14:34:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 14:34:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:34:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:34:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-14 14:34:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-08-14 14:34:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-14 14:34:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-14 14:34:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-08-14 14:34:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-08-14 14:34:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure min [2024-08-14 14:34:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2024-08-14 14:34:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure size [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure task [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:34:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:34:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:34:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-14 14:34:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-08-14 14:34:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:34:29,682 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:34:29,685 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:34:29,783 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L39: havoc ~a~0, ~b~0, ~c~0; [2024-08-14 14:34:29,821 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L27: havoc ~n~0.base, ~n~0.offset; [2024-08-14 14:34:29,978 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-08-14 14:34:29,978 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:34:29,988 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:34:29,988 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:34:29,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:29 BoogieIcfgContainer [2024-08-14 14:34:29,988 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:34:29,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:34:29,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:34:29,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:34:29,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:27" (1/4) ... [2024-08-14 14:34:29,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe95e24 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:34:29" (2/4) ... [2024-08-14 14:34:29,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe95e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:29" (3/4) ... [2024-08-14 14:34:29,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe95e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:34:29, skipping insertion in model container [2024-08-14 14:34:29,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:29" (4/4) ... [2024-08-14 14:34:29,998 INFO L119 eAbstractionObserver]: Analyzing ICFG tree_del_rec.c [2024-08-14 14:34:29,998 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:34:30,013 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:34:30,014 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:34:30,041 INFO L92 WitnessUtils]: Constructing product of automaton with 102 states and violation witness of the following lengths: [44] [2024-08-14 14:34:30,044 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 102 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 64 states have internal predecessors, (77), 26 states have call successors, (26), 11 states have call predecessors, (26), 11 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-08-14 14:34:30,346 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 755 states to 250 states. [2024-08-14 14:34:30,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:34:30,388 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;@215b77a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:34:30,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:34:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2024-08-14 14:34:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-08-14 14:34:30,409 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:34:30,410 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 14:34:30,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:34:30,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:34:30,419 INFO L85 PathProgramCache]: Analyzing trace with hash 626975444, now seen corresponding path program 1 times [2024-08-14 14:34:30,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:34:30,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112275563] [2024-08-14 14:34:30,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:34:30,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:34:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:34:30,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:34:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:34:30,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:34:30,841 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:34:30,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:34:30,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:34:30,846 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:34:30,849 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:34:30,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:34:30 BoogieIcfgContainer [2024-08-14 14:34:30,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:34:30,874 INFO L158 Benchmark]: Toolchain (without parser) took 1756.73ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 77.9MB in the beginning and 160.6MB in the end (delta: -82.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:30,874 INFO L158 Benchmark]: Witness Parser took 0.50ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:30,875 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:30,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.13ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 77.7MB in the beginning and 178.4MB in the end (delta: -100.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-08-14 14:34:30,875 INFO L158 Benchmark]: Boogie Preprocessor took 72.46ms. Allocated memory is still 209.7MB. Free memory was 178.4MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:34:30,876 INFO L158 Benchmark]: IcfgBuilder took 515.10ms. Allocated memory is still 209.7MB. Free memory was 175.2MB in the beginning and 148.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 14:34:30,876 INFO L158 Benchmark]: TraceAbstraction took 882.37ms. Allocated memory is still 209.7MB. Free memory was 148.0MB in the beginning and 160.6MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:30,877 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 0.50ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.13ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 77.7MB in the beginning and 178.4MB in the end (delta: -100.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.46ms. Allocated memory is still 209.7MB. Free memory was 178.4MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 515.10ms. Allocated memory is still 209.7MB. Free memory was 175.2MB in the beginning and 148.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 882.37ms. Allocated memory is still 209.7MB. Free memory was 148.0MB in the beginning and 160.6MB in the end (delta: -12.6MB). 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L102] 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={-1:0}] [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={-1:0}] [L31] n->right = nondet_tree() [L32] return n; VAL [\result={-1:0}] [L102] RET, EXPR nondet_tree() [L102] CALL task(nondet_tree()) VAL [\old(t)={-1:0}] [L78] CALL, EXPR min(t) VAL [\old(n)={-1:0}] [L37] COND FALSE !(!n) [L40] EXPR n->data [L40] int a = n->data; [L41] EXPR n->left VAL [\old(n)={-1:0}, a=2147483647, n={-1:0}] [L41] CALL, EXPR min(n->left) VAL [\old(n)={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\old(n)={0:0}, \result=2147483647] [L41] RET, EXPR min(n->left) VAL [\old(n)={-1:0}, a=2147483647, n={-1:0}] [L41] int b = min(n->left); [L42] EXPR n->right VAL [\old(n)={-1:0}, a=2147483647, b=2147483647] [L42] CALL, EXPR min(n->right) VAL [\old(n)={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\old(n)={0:0}, \result=2147483647] [L42] RET, EXPR min(n->right) VAL [\old(n)={-1:0}, a=2147483647, b=2147483647] [L42] int c = min(n->right); [L43] COND TRUE b <= a && b <= c [L43] return b; VAL [\old(n)={-1:0}, \result=2147483647] [L78] RET, EXPR min(t) VAL [\old(t)={-1:0}, t={-1:0}] [L78] int a = min(t); [L79] int b; VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, t={-1:0}] [L81] CALL, EXPR size(t) VAL [\old(t)={-1:0}] [L73] COND FALSE !(!t) [L74] EXPR t->left VAL [\old(t)={-1:0}, t={-1:0}] [L74] CALL, EXPR size(t->left) VAL [\old(t)={0:0}] [L73] COND TRUE !t [L73] return 0; VAL [\old(t)={0:0}, \result=0] [L74] RET, EXPR size(t->left) VAL [\old(t)={-1:0}, t={-1:0}] [L74] EXPR t->right VAL [\old(t)={-1:0}] [L74] CALL, EXPR size(t->right) VAL [\old(t)={0:0}] [L73] COND TRUE !t [L73] return 0; VAL [\old(t)={0:0}, \result=0] [L74] RET, EXPR size(t->right) VAL [\old(t)={-1:0}] [L74] return size(t->left) + size(t->right) + 1; [L81] RET, EXPR size(t) VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, t={-1:0}] [L81] int n = size(t); [L82] CALL assume_cycle_if_not(n != 0) VAL [\old(cond)=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1] [L82] RET assume_cycle_if_not(n != 0) VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, n=1, t={-1:0}] [L83] EXPR, FCALL calloc(n, sizeof(int)) VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, n=1, t={-1:0}] [L83] int *x = calloc(n, sizeof(int)); [L84] CALL tree_inorder(t, x, n) VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}] [L62] COND FALSE !(!t) [L65] EXPR t->left VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}, a={-2:0}, i=1, t={-1:0}] [L65] CALL, EXPR tree_inorder(t->left, a, i) VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={0:0}] [L62] COND TRUE !t [L63] return i; VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={0:0}, \result=1, a={-2:0}] [L65] RET, EXPR tree_inorder(t->left, a, i) VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}, a={-2:0}, i=1, t={-1:0}] [L65] i = tree_inorder(t->left, a, i) [L66] EXPR i++ [L66] EXPR t->data [L66] a[i++] = t->data [L67] EXPR t->right VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}, a={-2:0}, i=2] [L67] CALL, EXPR tree_inorder(t->right, a, i) VAL [\old(a)={-2:0}, \old(i)=2, \old(t)={0:0}] [L62] COND TRUE !t [L63] return i; VAL [\old(a)={-2:0}, \old(i)=2, \old(t)={0:0}, \result=2, a={-2:0}] [L67] RET, EXPR tree_inorder(t->right, a, i) VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}, a={-2:0}, i=2] [L67] i = tree_inorder(t->right, a, i) [L68] return i; VAL [\old(a)={-2:0}, \old(i)=1, \old(t)={-1:0}, \result=2, a={-2:0}, i=2] [L84] RET tree_inorder(t, x, n) VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, n=1, t={-1:0}, x={-2:0}] [L85] EXPR x[0] VAL [\old(t)={-1:0}, a=2147483647, b={5:0}, n=1, t={-1:0}, x={-2:0}] [L85] 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, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred 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, 0.2s 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 14:34:30,900 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