./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/dll_nullified-1.yml/witness.yml -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bf1304be 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/list-ext3-properties/dll_nullified-1.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/dll_nullified-1.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 -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-bf1304b-m [2024-08-06 17:19:06,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:19:06,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:19:06,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:19:06,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:19:06,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:19:06,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:19:06,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:19:06,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:19:06,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:19:06,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:19:06,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:19:06,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:19:06,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:19:06,144 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:19:06,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:19:06,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:19:06,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:19:06,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:19:06,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:19:06,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:19:06,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:19:06,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:19:06,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:19:06,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:19:06,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:19:06,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:19:06,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:19:06,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:19:06,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:19:06,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:19:06,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:19:06,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:06,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:19:06,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:19:06,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:19:06,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:19:06,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:19:06,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:19:06,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:19:06,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:19:06,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:19:06,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:19:06,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:19:06,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:19:06,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:19:06,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:19:06,474 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:19:06,475 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:19:06,477 INFO L431 ainManager$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/dll_nullified-1.yml/witness.yml [2024-08-06 17:19:06,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:19:06,587 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:19:06,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2024-08-06 17:19:08,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:19:08,498 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:19:08,498 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2024-08-06 17:19:08,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee988ec38/933a11306699466595db4d2e5e885a24/FLAGaed5c7a85 [2024-08-06 17:19:08,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee988ec38/933a11306699466595db4d2e5e885a24 [2024-08-06 17:19:08,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:19:08,534 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:19:08,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:08,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:19:08,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:19:08,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:06" (1/2) ... [2024-08-06 17:19:08,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b40d2f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:08, skipping insertion in model container [2024-08-06 17:19:08,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:06" (1/2) ... [2024-08-06 17:19:08,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74eb7405 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:08, skipping insertion in model container [2024-08-06 17:19:08,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:08" (2/2) ... [2024-08-06 17:19:08,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b40d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:08, skipping insertion in model container [2024-08-06 17:19:08,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:08" (2/2) ... [2024-08-06 17:19:08,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:19:08,949 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-08-06 17:19:08,955 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:08,971 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:19:09,029 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-08-06 17:19:09,033 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:09,069 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:19:09,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09 WrapperNode [2024-08-06 17:19:09,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:09,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:09,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:19:09,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:19:09,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,119 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-08-06 17:19:09,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:09,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:19:09,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:19:09,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:19:09,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,161 INFO L175 MemorySlicer]: Split 17 memory accesses to 2 slices as follows [2, 15]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6]. [2024-08-06 17:19:09,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:19:09,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:19:09,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:19:09,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:19:09,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (1/1) ... [2024-08-06 17:19:09,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:09,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:19:09,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-08-06 17:19:09,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-08-06 17:19:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-06 17:19:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-06 17:19:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-06 17:19:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-06 17:19:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-06 17:19:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:19:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-06 17:19:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-06 17:19:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-06 17:19:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-06 17:19:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-06 17:19:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:19:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-06 17:19:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:19:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:19:09,399 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:19:09,401 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:19:09,690 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-08-06 17:19:09,691 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:19:09,733 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:19:09,734 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-06 17:19:09,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:09 BoogieIcfgContainer [2024-08-06 17:19:09,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:19:09,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:19:09,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:19:09,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:19:09,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:06" (1/4) ... [2024-08-06 17:19:09,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e1a973 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:19:08" (2/4) ... [2024-08-06 17:19:09,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e1a973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09" (3/4) ... [2024-08-06 17:19:09,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e1a973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:09" (4/4) ... [2024-08-06 17:19:09,745 INFO L119 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2024-08-06 17:19:09,746 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:19:09,767 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:19:09,768 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:19:09,823 INFO L90 WitnessUtils]: FiniteAutomaton nwa = ( alphabet = {"assume !main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#1(main_~head~1#1.base, 4 + main_~head~1#1.offset, 4);main_~head~1#1.base, main_~head~1#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;" "assume !true;" "assume !(dll_create_~len#1 > 0);" "assume !(main_~head~1#1.base != 0 || main_~head~1#1.offset != 0);" "assume 0 == dll_create_~new_head~0#1.base && 0 == dll_create_~new_head~0#1.offset;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1;" "assume main_#t~short17#1;" "assume !main_#t~short17#1;call main_#t~mem16#1 := read~int#1(main_~head~1#1.base, 8 + main_~head~1#1.offset, 4);main_#t~short17#1 := 0 != main_#t~mem16#1;" "main_#t~short19#1 := main_#t~short17#1;" "assume main_#t~short19#1;" "assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$#1(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 12 + dll_create_~head~0#1.offset, 4);" "assume !main_#t~short19#1;call main_#t~mem18#1 := read~int#1(main_~head~1#1.base, 16 + main_~head~1#1.offset, 4);main_#t~short19#1 := 0 != main_#t~mem18#1;" "assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0);" "dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;havoc dll_create_#t~post5#1;" "assume main_#t~short19#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;havoc main_#t~mem18#1;havoc main_#t~short19#1;" "assume !true;" "assume !main_#t~short19#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;havoc main_#t~mem18#1;havoc main_#t~short19#1;call ULTIMATE.dealloc(main_~head~1#1.base, main_~head~1#1.offset);main_~head~1#1.base, main_~head~1#1.offset := main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~temp~0#1.base, main_~temp~0#1.offset;" "assume !true;" "main_#res#1 := 0;" "assume !false;" "assume false;assume false;main_#res#1 := 1;" "call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~head~1#1.base, 4 + main_~head~1#1.offset, 4);" "assume true;" "assume main_#t~mem7#1.base != 0 || main_#t~mem7#1.offset != 0;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call main_#t~mem8#1 := read~int#1(main_~head~1#1.base, main_~head~1#1.offset, 4);main_#t~short10#1 := 0 != main_#t~mem8#1;" "assume { :begin_inline_ULTIMATE.init } 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(18, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~short19#1, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~len~0#1 := 5;assume { :begin_inline_dll_create } true;dll_create_#in~len#1 := main_~len~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset, dll_create_#t~nondet4#1, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0;" "assume !(main_#t~mem7#1.base != 0 || main_#t~mem7#1.offset != 0);havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;" "#t~ret20#1 := main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~short19#1, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~head~1#1.base, main_~head~1#1.offset;assume { :end_inline_main } true;assume true;" "assume !(0 == dll_create_~new_head~0#1.base && 0 == dll_create_~new_head~0#1.offset);call write~int#1(0, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~int#1(0, dll_create_~new_head~0#1.base, 8 + dll_create_~new_head~0#1.offset, 4);havoc dll_create_#t~nondet4#1;assume -2147483648 <= dll_create_#t~nondet4#1 && dll_create_#t~nondet4#1 <= 2147483647;call write~int#1((if dll_create_#t~nondet4#1 == dll_create_~len#1 then 1 else 0), dll_create_~new_head~0#1.base, 16 + dll_create_~new_head~0#1.offset, 4);havoc dll_create_#t~nondet4#1;call write~$Pointer$#1(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4);call write~$Pointer$#1(0, 0, dll_create_~new_head~0#1.base, 12 + dll_create_~new_head~0#1.offset, 4);" "assume main_~head~1#1.base != 0 || main_~head~1#1.offset != 0;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$#1(main_~head~1#1.base, 12 + main_~head~1#1.offset, 4);main_~temp~0#1.base, main_~temp~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;call main_#t~mem15#1 := read~int#1(main_~head~1#1.base, main_~head~1#1.offset, 4);main_#t~short17#1 := 0 != main_#t~mem15#1;" "dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset;main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset, dll_create_#t~nondet4#1, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;havoc dll_create_#in~len#1;assume { :end_inline_dll_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;" "assume dll_create_~len#1 > 0;call dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(20);dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset;" "assume main_#t~short10#1;" "assume !main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~head~1#1.base, 8 + main_~head~1#1.offset, 4);main_#t~short10#1 := 0 != main_#t~mem9#1;" "main_#t~short12#1 := main_#t~short10#1;" "assume main_#t~short12#1;" "assume !main_#t~short12#1;call main_#t~mem11#1 := read~int#1(main_~head~1#1.base, 16 + main_~head~1#1.offset, 4);main_#t~short12#1 := 0 != main_#t~mem11#1;" "assume main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;" }, states = {"CountingPredicate [underlying: 24#L609-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L602-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 9#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 18#L609true, annotation: [0, 0]]" "CountingPredicate [underlying: 14#L602true, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 20#L607-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 16#main_returnLabel#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 3#L609-5true, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L576true, annotation: [0, 0]]" "CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#L609-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 17#L602-5true, annotation: [0, 0]]" "CountingPredicate [underlying: 4#L590-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 15#L582true, annotation: [0, 0]]" "CountingPredicate [underlying: 12#L601-4true, annotation: [0, 0]]" "CountingPredicate [underlying: 7#L602-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 22#main_ERROR#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 21#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 11#L580-4true, annotation: [0, 0]]" "CountingPredicate [underlying: 19#L590true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 23#L601-1true, annotation: [0, 0]]" }, initialStates = {"CountingPredicate [underlying: 21#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, transitions = { ("CountingPredicate [underlying: 24#L609-2true, annotation: [0, 0]]" "main_#t~short19#1 := main_#t~short17#1;" "CountingPredicate [underlying: 5#L609-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 8#L602-3true, annotation: [0, 0]]" "assume main_#t~short12#1;" "CountingPredicate [underlying: 17#L602-5true, annotation: [0, 0]]") ("CountingPredicate [underlying: 8#L602-3true, annotation: [0, 0]]" "assume !main_#t~short12#1;call main_#t~mem11#1 := read~int#1(main_~head~1#1.base, 16 + main_~head~1#1.offset, 4);main_#t~short12#1 := 0 != main_#t~mem11#1;" "CountingPredicate [underlying: 17#L602-5true, annotation: [0, 0]]") ("CountingPredicate [underlying: 18#L609true, annotation: [0, 0]]" "assume main_#t~short17#1;" "CountingPredicate [underlying: 24#L609-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 18#L609true, annotation: [0, 0]]" "assume !main_#t~short17#1;call main_#t~mem16#1 := read~int#1(main_~head~1#1.base, 8 + main_~head~1#1.offset, 4);main_#t~short17#1 := 0 != main_#t~mem16#1;" "CountingPredicate [underlying: 24#L609-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#L602true, annotation: [0, 0]]" "assume main_#t~short10#1;" "CountingPredicate [underlying: 7#L602-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#L602true, annotation: [0, 0]]" "assume !main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~head~1#1.base, 8 + main_~head~1#1.offset, 4);main_#t~short10#1 := 0 != main_#t~mem9#1;" "CountingPredicate [underlying: 7#L602-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 20#L607-3true, annotation: [0, 0]]" "main_#res#1 := 0;" "CountingPredicate [underlying: 16#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#main_returnLabel#1true, annotation: [0, 0]]" "#t~ret20#1 := main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~short19#1, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~head~1#1.base, main_~head~1#1.offset;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#L609-5true, annotation: [0, 0]]" "assume main_#t~short19#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;havoc main_#t~mem18#1;havoc main_#t~short19#1;" "CountingPredicate [underlying: 22#main_ERROR#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#L609-5true, annotation: [0, 0]]" "assume !main_#t~short19#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;havoc main_#t~mem18#1;havoc main_#t~short19#1;call ULTIMATE.dealloc(main_~head~1#1.base, main_~head~1#1.offset);main_~head~1#1.base, main_~head~1#1.offset := main_~temp~0#1.base, main_~temp~0#1.offset;havoc main_~temp~0#1.base, main_~temp~0#1.offset;" "CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L576true, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 6#L576true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]" "assume !(dll_create_~len#1 > 0);" "CountingPredicate [underlying: 11#L580-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 11#L580-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]" "assume dll_create_~len#1 > 0;call dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(20);dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset;" "CountingPredicate [underlying: 15#L582true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L609-3true, annotation: [0, 0]]" "assume main_#t~short19#1;" "CountingPredicate [underlying: 3#L609-5true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L609-3true, annotation: [0, 0]]" "assume !main_#t~short19#1;call main_#t~mem18#1 := read~int#1(main_~head~1#1.base, 16 + main_~head~1#1.offset, 4);main_#t~short19#1 := 0 != main_#t~mem18#1;" "CountingPredicate [underlying: 3#L609-5true, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#L602-5true, annotation: [0, 0]]" "assume !main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#1(main_~head~1#1.base, 4 + main_~head~1#1.offset, 4);main_~head~1#1.base, main_~head~1#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;" "CountingPredicate [underlying: 12#L601-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#L602-5true, annotation: [0, 0]]" "assume main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;" "CountingPredicate [underlying: 22#main_ERROR#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#L590-2true, annotation: [0, 0]]" "dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;havoc dll_create_#t~post5#1;" "CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L582true, annotation: [0, 0]]" "assume 0 == dll_create_~new_head~0#1.base && 0 == dll_create_~new_head~0#1.offset;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1;" "CountingPredicate [underlying: 6#L576true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L582true, annotation: [0, 0]]" "assume !(0 == dll_create_~new_head~0#1.base && 0 == dll_create_~new_head~0#1.offset);call write~int#1(0, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~int#1(0, dll_create_~new_head~0#1.base, 8 + dll_create_~new_head~0#1.offset, 4);havoc dll_create_#t~nondet4#1;assume -2147483648 <= dll_create_#t~nondet4#1 && dll_create_#t~nondet4#1 <= 2147483647;call write~int#1((if dll_create_#t~nondet4#1 == dll_create_~len#1 then 1 else 0), dll_create_~new_head~0#1.base, 16 + dll_create_~new_head~0#1.offset, 4);havoc dll_create_#t~nondet4#1;call write~$Pointer$#1(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4);call write~$Pointer$#1(0, 0, dll_create_~new_head~0#1.base, 12 + dll_create_~new_head~0#1.offset, 4);" "CountingPredicate [underlying: 19#L590true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#L601-4true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#L601-4true, annotation: [0, 0]]" "call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~head~1#1.base, 4 + main_~head~1#1.offset, 4);" "CountingPredicate [underlying: 23#L601-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L602-2true, annotation: [0, 0]]" "main_#t~short12#1 := main_#t~short10#1;" "CountingPredicate [underlying: 8#L602-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 22#main_ERROR#1true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 9#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 22#main_ERROR#1true, annotation: [0, 0]]" "assume false;assume false;main_#res#1 := 1;" "CountingPredicate [underlying: 16#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#$Ultimate##0true, annotation: [0, 0]]" "assume { :begin_inline_ULTIMATE.init } 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(18, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~short19#1, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~len~0#1 := 5;assume { :begin_inline_dll_create } true;dll_create_#in~len#1 := main_~len~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset, dll_create_#t~nondet4#1, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0;" "CountingPredicate [underlying: 10#L580-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 11#L580-4true, annotation: [0, 0]]" "dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset;main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~malloc3#1.base, dll_create_#t~malloc3#1.offset, dll_create_#t~nondet4#1, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;havoc dll_create_#in~len#1;assume { :end_inline_dll_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;" "CountingPredicate [underlying: 12#L601-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#L590true, annotation: [0, 0]]" "assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$#1(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 12 + dll_create_~head~0#1.offset, 4);" "CountingPredicate [underlying: 4#L590-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#L590true, annotation: [0, 0]]" "assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0);" "CountingPredicate [underlying: 4#L590-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]" "assume !(main_~head~1#1.base != 0 || main_~head~1#1.offset != 0);" "CountingPredicate [underlying: 20#L607-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 20#L607-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]" "assume main_~head~1#1.base != 0 || main_~head~1#1.offset != 0;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$#1(main_~head~1#1.base, 12 + main_~head~1#1.offset, 4);main_~temp~0#1.base, main_~temp~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;call main_#t~mem15#1 := read~int#1(main_~head~1#1.base, main_~head~1#1.offset, 4);main_#t~short17#1 := 0 != main_#t~mem15#1;" "CountingPredicate [underlying: 18#L609true, annotation: [0, 0]]") ("CountingPredicate [underlying: 23#L601-1true, annotation: [0, 0]]" "assume main_#t~mem7#1.base != 0 || main_#t~mem7#1.offset != 0;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call main_#t~mem8#1 := read~int#1(main_~head~1#1.base, main_~head~1#1.offset, 4);main_#t~short10#1 := 0 != main_#t~mem8#1;" "CountingPredicate [underlying: 14#L602true, annotation: [0, 0]]") ("CountingPredicate [underlying: 23#L601-1true, annotation: [0, 0]]" "assume !(main_#t~mem7#1.base != 0 || main_#t~mem7#1.offset != 0);havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;" "CountingPredicate [underlying: 13#L607-2true, annotation: [0, 0]]") } ); [2024-08-06 17:19:09,829 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 23 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-06 17:19:09,837 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 23 states to 0 states. [2024-08-06 17:19:09,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:19:09,859 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;@42a39795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:19:09,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:19:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:19:09,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:19:09,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:19:09,872 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:19:09,875 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:19:09,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:19:09 BoogieIcfgContainer [2024-08-06 17:19:09,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:19:09,883 INFO L158 Benchmark]: Toolchain (without parser) took 1349.69ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 115.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:09,884 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:09,884 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:09,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.24ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 84.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-06 17:19:09,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.75ms. Allocated memory is still 163.6MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:19:09,885 INFO L158 Benchmark]: Boogie Preprocessor took 65.42ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 80.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:19:09,886 INFO L158 Benchmark]: RCFGBuilder took 545.11ms. Allocated memory is still 163.6MB. Free memory was 80.2MB in the beginning and 124.2MB in the end (delta: -44.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-08-06 17:19:09,886 INFO L158 Benchmark]: TraceAbstraction took 145.58ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 115.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-06 17:19:09,892 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 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.24ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 84.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.75ms. Allocated memory is still 163.6MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.42ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 80.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.11ms. Allocated memory is still 163.6MB. Free memory was 80.2MB in the beginning and 124.2MB in the end (delta: -44.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 145.58ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 115.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 616]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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=0occurred 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-06 17:19:09,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE