./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/recursive_list.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursive_list.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 0a70ae82 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/ldv-regression/recursive_list.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursive_list.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-0a70ae8-m [2024-08-07 14:07:43,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-07 14:07:43,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-07 14:07:43,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-07 14:07:43,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-07 14:07:43,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-07 14:07:43,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-07 14:07:43,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-07 14:07:43,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-07 14:07:43,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-07 14:07:43,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-07 14:07:43,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-07 14:07:43,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-07 14:07:43,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-07 14:07:43,613 INFO L153 SettingsManager]: * Use SBE=true [2024-08-07 14:07:43,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-07 14:07:43,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-07 14:07:43,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-07 14:07:43,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-07 14:07:43,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-07 14:07:43,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-07 14:07:43,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-07 14:07:43,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-07 14:07:43,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-07 14:07:43,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-07 14:07:43,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-07 14:07:43,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-07 14:07:43,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-07 14:07:43,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-07 14:07:43,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-07 14:07:43,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-07 14:07:43,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-07 14:07:43,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-07 14:07:43,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-07 14:07:43,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-07 14:07:43,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-07 14:07:43,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-07 14:07:43,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-07 14:07:43,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-07 14:07:43,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-07 14:07:43,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-07 14:07:43,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-07 14:07:43,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-07 14:07:43,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-07 14:07:43,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-07 14:07:43,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-07 14:07:43,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-07 14:07:43,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-07 14:07:43,873 INFO L274 PluginConnector]: CDTParser initialized [2024-08-07 14:07:43,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/recursive_list.i [2024-08-07 14:07:45,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-07 14:07:45,434 INFO L384 CDTParser]: Found 1 translation units. [2024-08-07 14:07:45,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/recursive_list.i [2024-08-07 14:07:45,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515419f16/fece026b9f104b21aa9a111c41262a64/FLAG70febd5e8 [2024-08-07 14:07:45,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/515419f16/fece026b9f104b21aa9a111c41262a64 [2024-08-07 14:07:45,463 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-07 14:07:45,464 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-07 14:07:45,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/recursive_list.yml/witness.yml [2024-08-07 14:07:45,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-07 14:07:45,510 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-07 14:07:45,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-07 14:07:45,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-07 14:07:45,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-07 14:07:45,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:07:45" (1/2) ... [2024-08-07 14:07:45,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4c59a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:07:45" (1/2) ... [2024-08-07 14:07:45,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@388d6146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/2) ... [2024-08-07 14:07:45,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4c59a8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/2) ... [2024-08-07 14:07:45,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-07 14:07:45,643 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/recursive_list.i[409,422] [2024-08-07 14:07:45,666 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:07:45,675 INFO L200 MainTranslator]: Completed pre-run [2024-08-07 14:07:45,683 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/recursive_list.i[409,422] [2024-08-07 14:07:45,688 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:07:45,701 INFO L204 MainTranslator]: Completed translation [2024-08-07 14:07:45,701 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45 WrapperNode [2024-08-07 14:07:45,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-07 14:07:45,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-07 14:07:45,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-07 14:07:45,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-07 14:07:45,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,728 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2024-08-07 14:07:45,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-07 14:07:45,743 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-07 14:07:45,746 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-07 14:07:45,746 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-07 14:07:45,747 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-07 14:07:45,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-07 14:07:45,774 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) [2024-08-07 14:07:45,777 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 [2024-08-07 14:07:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-07 14:07:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-07 14:07:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-07 14:07:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2024-08-07 14:07:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_memory [2024-08-07 14:07:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2024-08-07 14:07:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-07 14:07:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-07 14:07:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-07 14:07:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-07 14:07:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-07 14:07:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure err [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_memory [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure append [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-07 14:07:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-07 14:07:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-07 14:07:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-07 14:07:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-07 14:07:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-07 14:07:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-07 14:07:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-07 14:07:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-07 14:07:45,915 INFO L273 CfgBuilder]: Building ICFG [2024-08-07 14:07:45,917 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-07 14:07:46,009 INFO L1251 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: havoc #t~malloc4.base, #t~malloc4.offset; [2024-08-07 14:07:46,058 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-08-07 14:07:46,058 INFO L327 CfgBuilder]: Performing block encoding [2024-08-07 14:07:46,066 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-07 14:07:46,067 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-07 14:07:46,068 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:07:46 BoogieIcfgContainer [2024-08-07 14:07:46,068 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-07 14:07:46,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-07 14:07:46,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-07 14:07:46,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-07 14:07:46,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 02:07:45" (1/4) ... [2024-08-07 14:07:46,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be4530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/4) ... [2024-08-07 14:07:46,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be4530d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (3/4) ... [2024-08-07 14:07:46,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be4530d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:07:46" (4/4) ... [2024-08-07 14:07:46,077 INFO L119 eAbstractionObserver]: Analyzing ICFG recursive_list.i [2024-08-07 14:07:46,077 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-07 14:07:46,093 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-07 14:07:46,094 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-07 14:07:46,143 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,143 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,143 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,144 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,144 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,144 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,145 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,145 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,146 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,146 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,146 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,147 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,147 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,147 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,153 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call #t~ret6.base, #t~ret6.offset := append(~l~0.base, ~l~0.offset, 1);" "call #t~ret11 := main();" "call ULTIMATE.init();" "call #t~ret5.base, #t~ret5.offset := allocate_memory();" "call err();" "call #t~ret7.base, #t~ret7.offset := append(~l~0.base, ~l~0.offset, 2);" }, internalAlphabet = {"assume false;" "assume false;" "assume !false;" "assume true;" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "SUMMARY for call err(); srcloc: L50" "assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;" "assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;" "~l~0.base, ~l~0.offset := #t~ret7.base, #t~ret7.offset;havoc #t~ret7.base, #t~ret7.offset;call #t~mem8.base, #t~mem8.offset := read~$Pointer$#1(~l~0.base, 4 + ~l~0.offset, 4);call #t~mem9.base, #t~mem9.offset := read~$Pointer$#1(#t~mem8.base, 4 + #t~mem8.offset, 4);call #t~mem10 := read~int#1(#t~mem9.base, #t~mem9.offset, 4);" "SUMMARY for call #t~ret7.base, #t~ret7.offset := append(~l~0.base, ~l~0.offset, 2); srcloc: L45-1" "~l~0.base, ~l~0.offset := #t~ret6.base, #t~ret6.offset;havoc #t~ret6.base, #t~ret6.offset;" "SUMMARY for call #t~ret6.base, #t~ret6.offset := append(~l~0.base, ~l~0.offset, 1); srcloc: L44-1" "havoc ~l~0.base, ~l~0.offset;call ~#m~0.base, ~#m~0.offset := #Ultimate.allocOnStack(8);~l~0.base, ~l~0.offset := ~#m~0.base, ~#m~0.offset;call write~$Pointer$#1(0, 0, ~l~0.base, 4 + ~l~0.offset, 4);call write~int#1(0, ~l~0.base, ~l~0.offset, 4);" "assume true;" "call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(8);#res.base, #res.offset := #t~malloc4.base, #t~malloc4.offset;havoc #t~malloc4.base, #t~malloc4.offset;" "assume true;" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~i~0 := 1;" "assume true;" "SUMMARY for call #t~ret11 := main(); srcloc: L-1" "SUMMARY for call ULTIMATE.init(); srcloc: ULTIMATE.startENTRY" "assume true;" "~new_el~0.base, ~new_el~0.offset := #t~ret5.base, #t~ret5.offset;havoc #t~ret5.base, #t~ret5.offset;call write~int#1(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$#1(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;" "SUMMARY for call #t~ret5.base, #t~ret5.offset := allocate_memory(); srcloc: L29-1" "~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;" "assume true;" }, returnAlphabet = {"#33#return;" "#35#return;" "#37#return;" "#39#return;" "#29#return;" "#31#return;" }, states = {"CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 9#appendFINALtrue, annotation: [3, 0]]" "CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [6, 0]]" "CountingPredicate [underlying: 14#L44-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [6, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 19#L44true, annotation: [4, 0]]" "CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 27#errEXITtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 6#L-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L39true, annotation: [8, 0]]" "CountingPredicate [underlying: 10#L45-1true, annotation: [4, 0]]" "CountingPredicate [underlying: 23#mainEXITtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 8#L39true, annotation: [11, 0]]" "CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [8, 0]]" "CountingPredicate [underlying: 17#mainENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 13#L10true, annotation: [11, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [6, 0]]" "CountingPredicate [underlying: 4#appendEXITtrue, annotation: [3, 0]]" "CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [5, 0]]" "CountingPredicate [underlying: 12#errENTRYtrue, annotation: [10, 0]]" "CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 4#appendEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 29#L50true, annotation: [9, 0]]" "CountingPredicate [underlying: 24#mainFINALtrue, annotation: [8, 0]]" "CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 24#mainFINALtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 9#appendFINALtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 5#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 18#L29-1true, annotation: [5, 0]]" "CountingPredicate [underlying: 30#L29true, annotation: [3, 0]]" "CountingPredicate [underlying: 18#L29-1true, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [8, 0]]" "CountingPredicate [underlying: 30#L29true, annotation: [7, 0]]" "CountingPredicate [underlying: 28#errFINALtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 3#L45true, annotation: [8, 0]]" "CountingPredicate [underlying: 23#mainEXITtrue, annotation: [8, 0]]" "CountingPredicate [underlying: 15#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 7#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 21#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 20#L50-1true, annotation: [8, 0]]" }, initialStates = {"CountingPredicate [underlying: 16#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" }, finalStates = {"CountingPredicate [underlying: 5#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [11, 0]]" }, callTransitions = { ("CountingPredicate [underlying: 14#L44-1true, annotation: [0, 0]]" "call #t~ret6.base, #t~ret6.offset := append(~l~0.base, ~l~0.offset, 1);" "CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "call ULTIMATE.init();" "CountingPredicate [underlying: 15#ULTIMATE.initENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L-1true, annotation: [0, 0]]" "call #t~ret11 := main();" "CountingPredicate [underlying: 17#mainENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L45-1true, annotation: [4, 0]]" "call #t~ret7.base, #t~ret7.offset := append(~l~0.base, ~l~0.offset, 2);" "CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [5, 0]]") ("CountingPredicate [underlying: 29#L50true, annotation: [9, 0]]" "call err();" "CountingPredicate [underlying: 12#errENTRYtrue, annotation: [10, 0]]") ("CountingPredicate [underlying: 18#L29-1true, annotation: [5, 0]]" "call #t~ret5.base, #t~ret5.offset := allocate_memory();" "CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [6, 0]]") ("CountingPredicate [underlying: 18#L29-1true, annotation: [1, 0]]" "call #t~ret5.base, #t~ret5.offset := allocate_memory();" "CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [2, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 9#appendFINALtrue, annotation: [3, 0]]" "assume true;" "CountingPredicate [underlying: 4#appendEXITtrue, annotation: [3, 0]]") ("CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [11, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [6, 0]]" "assume true;" "CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [6, 0]]") ("CountingPredicate [underlying: 19#L44true, annotation: [4, 0]]" "~l~0.base, ~l~0.offset := #t~ret6.base, #t~ret6.offset;havoc #t~ret6.base, #t~ret6.offset;" "CountingPredicate [underlying: 10#L45-1true, annotation: [4, 0]]") ("CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 8#L39true, annotation: [8, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 24#mainFINALtrue, annotation: [8, 0]]") ("CountingPredicate [underlying: 8#L39true, annotation: [11, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 24#mainFINALtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [8, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [8, 0]]") ("CountingPredicate [underlying: 17#mainENTRYtrue, annotation: [0, 0]]" "havoc ~l~0.base, ~l~0.offset;call ~#m~0.base, ~#m~0.offset := #Ultimate.allocOnStack(8);~l~0.base, ~l~0.offset := ~#m~0.base, ~#m~0.offset;call write~$Pointer$#1(0, 0, ~l~0.base, 4 + ~l~0.offset, 4);call write~int#1(0, ~l~0.base, ~l~0.offset, 4);" "CountingPredicate [underlying: 14#L44-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L10true, annotation: [11, 0]]" "assume false;" "CountingPredicate [underlying: 28#errFINALtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [6, 0]]" "call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(8);#res.base, #res.offset := #t~malloc4.base, #t~malloc4.offset;havoc #t~malloc4.base, #t~malloc4.offset;" "CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [6, 0]]") ("CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [5, 0]]" "~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;" "CountingPredicate [underlying: 18#L29-1true, annotation: [5, 0]]") ("CountingPredicate [underlying: 12#errENTRYtrue, annotation: [10, 0]]" "assume false;" "CountingPredicate [underlying: 13#L10true, annotation: [11, 0]]") ("CountingPredicate [underlying: 12#errENTRYtrue, annotation: [10, 0]]" "assume !false;" "CountingPredicate [underlying: 5#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 25#allocate_memoryENTRYtrue, annotation: [2, 0]]" "call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(8);#res.base, #res.offset := #t~malloc4.base, #t~malloc4.offset;havoc #t~malloc4.base, #t~malloc4.offset;" "CountingPredicate [underlying: 22#allocate_memoryFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 24#mainFINALtrue, annotation: [8, 0]]" "assume true;" "CountingPredicate [underlying: 23#mainEXITtrue, annotation: [8, 0]]") ("CountingPredicate [underlying: 11#appendENTRYtrue, annotation: [1, 0]]" "~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;" "CountingPredicate [underlying: 18#L29-1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 24#mainFINALtrue, annotation: [11, 0]]" "assume true;" "CountingPredicate [underlying: 23#mainEXITtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 9#appendFINALtrue, annotation: [7, 0]]" "assume true;" "CountingPredicate [underlying: 4#appendEXITtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 30#L29true, annotation: [3, 0]]" "~new_el~0.base, ~new_el~0.offset := #t~ret5.base, #t~ret5.offset;havoc #t~ret5.base, #t~ret5.offset;call write~int#1(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$#1(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;" "CountingPredicate [underlying: 9#appendFINALtrue, annotation: [3, 0]]") ("CountingPredicate [underlying: 30#L29true, annotation: [7, 0]]" "~new_el~0.base, ~new_el~0.offset := #t~ret5.base, #t~ret5.offset;havoc #t~ret5.base, #t~ret5.offset;call write~int#1(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$#1(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;" "CountingPredicate [underlying: 9#appendFINALtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 28#errFINALtrue, annotation: [11, 0]]" "assume true;" "CountingPredicate [underlying: 27#errEXITtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 3#L45true, annotation: [8, 0]]" "~l~0.base, ~l~0.offset := #t~ret7.base, #t~ret7.offset;havoc #t~ret7.base, #t~ret7.offset;call #t~mem8.base, #t~mem8.offset := read~$Pointer$#1(~l~0.base, 4 + ~l~0.offset, 4);call #t~mem9.base, #t~mem9.offset := read~$Pointer$#1(#t~mem8.base, 4 + #t~mem8.offset, 4);call #t~mem10 := read~int#1(#t~mem9.base, #t~mem9.offset, 4);" "CountingPredicate [underlying: 20#L50-1true, annotation: [8, 0]]") ("CountingPredicate [underlying: 15#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~i~0 := 1;" "CountingPredicate [underlying: 21#ULTIMATE.initFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 7#ULTIMATE.initEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 20#L50-1true, annotation: [8, 0]]" "assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;" "CountingPredicate [underlying: 29#L50true, annotation: [9, 0]]") ("CountingPredicate [underlying: 20#L50-1true, annotation: [8, 0]]" "assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;" "CountingPredicate [underlying: 8#L39true, annotation: [8, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 18#L29-1true, annotation: [1, 0]]" "#39#return;" "CountingPredicate [underlying: 30#L29true, annotation: [3, 0]]") ("CountingPredicate [underlying: 26#allocate_memoryEXITtrue, annotation: [6, 0]]" "CountingPredicate [underlying: 18#L29-1true, annotation: [5, 0]]" "#39#return;" "CountingPredicate [underlying: 30#L29true, annotation: [7, 0]]") ("CountingPredicate [underlying: 27#errEXITtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 29#L50true, annotation: [9, 0]]" "#29#return;" "CountingPredicate [underlying: 8#L39true, annotation: [11, 0]]") ("CountingPredicate [underlying: 23#mainEXITtrue, annotation: [11, 0]]" "CountingPredicate [underlying: 6#L-1true, annotation: [0, 0]]" "#35#return;" "CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [11, 0]]") ("CountingPredicate [underlying: 4#appendEXITtrue, annotation: [3, 0]]" "CountingPredicate [underlying: 14#L44-1true, annotation: [0, 0]]" "#33#return;" "CountingPredicate [underlying: 19#L44true, annotation: [4, 0]]") ("CountingPredicate [underlying: 4#appendEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 10#L45-1true, annotation: [4, 0]]" "#31#return;" "CountingPredicate [underlying: 3#L45true, annotation: [8, 0]]") ("CountingPredicate [underlying: 23#mainEXITtrue, annotation: [8, 0]]" "CountingPredicate [underlying: 6#L-1true, annotation: [0, 0]]" "#35#return;" "CountingPredicate [underlying: 31#ULTIMATE.startFINALtrue, annotation: [8, 0]]") ("CountingPredicate [underlying: 7#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "#37#return;" "CountingPredicate [underlying: 6#L-1true, annotation: [0, 0]]") } ); [2024-08-07 14:07:46,158 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 30 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 19 states have internal predecessors, (19), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-08-07 14:07:46,165 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,165 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,165 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,165 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,166 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,166 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,166 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,166 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,166 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,167 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,167 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,167 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,167 WARN L283 nessProductAutomaton]: assume 0 == #t~mem10;havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated false [2024-08-07 14:07:46,167 WARN L283 nessProductAutomaton]: assume !(0 == #t~mem10);havoc #t~mem8.base, #t~mem8.offset;havoc #t~mem9.base, #t~mem9.offset;havoc #t~mem10;, isNegated true [2024-08-07 14:07:46,175 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 43 states to 30 states. [2024-08-07 14:07:46,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-07 14:07:46,194 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;@339cc3ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-07 14:07:46,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-07 14:07:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2024-08-07 14:07:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-08-07 14:07:46,199 INFO L187 NwaCegarLoop]: Found error trace [2024-08-07 14:07:46,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-07 14:07:46,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errErr0ASSERT_VIOLATIONERROR_FUNCTION === [errErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-07 14:07:46,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-07 14:07:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1456495185, now seen corresponding path program 1 times [2024-08-07 14:07:46,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-07 14:07:46,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372438523] [2024-08-07 14:07:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-07 14:07:46,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-07 14:07:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 14:07:46,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-07 14:07:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 14:07:46,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-07 14:07:46,465 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-07 14:07:46,466 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location errErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-07 14:07:46,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-07 14:07:46,470 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-07 14:07:46,475 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-07 14:07:46,495 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 02:07:46 BoogieIcfgContainer [2024-08-07 14:07:46,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-07 14:07:46,497 INFO L158 Benchmark]: Toolchain (without parser) took 986.88ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 48.9MB in the beginning and 69.2MB in the end (delta: -20.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,498 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:07:46,498 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:07:46,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.26ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,499 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 34.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,500 INFO L158 Benchmark]: IcfgBuilder took 325.87ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 34.7MB in the beginning and 67.6MB in the end (delta: -32.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,500 INFO L158 Benchmark]: TraceAbstraction took 426.25ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 69.2MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:07:46,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.26ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 34.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 325.87ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 34.7MB in the beginning and 67.6MB in the end (delta: -32.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 426.25ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 69.2MB in the end (delta: -2.4MB). 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: 10]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int i = 1; VAL [\old(i)=54, i=1] [L39] struct list *l,m; [L40] l = &m [L41] l->next = 0 [L42] l->n = 0 VAL [i=1, l={5:0}] [L44] CALL, EXPR append(l, 1) VAL [\old(l)={5:0}, \old(n)=1, i=1] [L27] struct list *new_el; VAL [\old(l)={5:0}, \old(n)=1, i=1, l={5:0}, n=1] [L29] CALL, EXPR allocate_memory() VAL [i=1] [L22] return malloc(8U); [L29] RET, EXPR allocate_memory() VAL [\old(l)={5:0}, \old(n)=1, i=1, l={5:0}, n=1] [L29] new_el = allocate_memory() [L31] new_el->n = n [L32] new_el->next = l [L34] return new_el; VAL [\old(l)={5:0}, \old(n)=1, \result={-1:0}, i=1] [L44] RET, EXPR append(l, 1) VAL [i=1, l={5:0}] [L44] l = append(l, 1) [L45] CALL, EXPR append(l, 2) VAL [\old(l)={-1:0}, \old(n)=2, i=1] [L27] struct list *new_el; VAL [\old(l)={-1:0}, \old(n)=2, i=1, l={-1:0}, n=2] [L29] CALL, EXPR allocate_memory() VAL [i=1] [L22] return malloc(8U); [L29] RET, EXPR allocate_memory() VAL [\old(l)={-1:0}, \old(n)=2, i=1, l={-1:0}, n=2] [L29] new_el = allocate_memory() [L31] new_el->n = n [L32] new_el->next = l [L34] return new_el; VAL [\old(l)={-1:0}, \old(n)=2, \result={-2:0}, i=1] [L45] RET, EXPR append(l, 2) VAL [i=1, l={-1:0}] [L45] l = append(l, 2) [L50] EXPR l->next [L50] EXPR l->next->next [L50] EXPR l->next->next->n VAL [i=1, l={-1:0}] [L50] l->next->next->n == 0 [L50] CALL err() VAL [i=1] [L10] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 29 NumberOfCodeBlocks, 29 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! [2024-08-07 14:07:46,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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