./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/sll_length_check-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/sll_length_check-1.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/sll_length_check-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 17:19:07,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:19:07,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:19:07,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:19:07,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:19:07,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:19:07,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:19:07,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:19:07,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:19:07,243 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:19:07,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:19:07,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:19:07,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:19:07,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:19:07,246 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:19:07,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:19:07,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:19:07,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:19:07,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:19:07,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:19:07,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:19:07,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:19:07,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:19:07,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:19:07,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:19:07,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:19:07,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:19:07,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:19:07,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:19:07,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:19:07,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:19:07,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:19:07,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:07,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:19:07,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:19:07,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:19:07,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:19:07,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:19:07,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:19:07,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:19:07,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:19:07,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:19:07,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:19:07,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:19:07,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:19:07,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:19:07,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:19:07,557 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:19:07,558 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:19:07,559 INFO L431 ainManager$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/sll_length_check-1.yml/witness.yml [2024-08-06 17:19:07,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:19:07,649 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:19:07,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i [2024-08-06 17:19:09,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:19:09,381 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:19:09,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i [2024-08-06 17:19:09,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c75177aa/fe79d5346e144ad1a07699e7efad270d/FLAG2109fe39c [2024-08-06 17:19:09,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c75177aa/fe79d5346e144ad1a07699e7efad270d [2024-08-06 17:19:09,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:19:09,407 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:19:09,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:09,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:19:09,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:19:09,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:07" (1/2) ... [2024-08-06 17:19:09,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f369008 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:07" (1/2) ... [2024-08-06 17:19:09,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@572058e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:09" (2/2) ... [2024-08-06 17:19:09,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f369008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09, skipping insertion in model container [2024-08-06 17:19:09,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:09" (2/2) ... [2024-08-06 17:19:09,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:19:09,807 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/sll_length_check-1.i[23818,23831] [2024-08-06 17:19:09,812 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:09,820 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:19:09,878 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/sll_length_check-1.i[23818,23831] [2024-08-06 17:19:09,884 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:09,914 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:19:09,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:09 WrapperNode [2024-08-06 17:19:09,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:09,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:09,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:19:09,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:19:09,925 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 17:19:09,940 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 17:19:09,962 INFO L138 Inliner]: procedures = 125, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2024-08-06 17:19:09,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:09,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:19:09,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:19:09,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:19:09,974 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 17:19:09,974 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 17:19:09,977 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 17:19:09,998 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-08-06 17:19:09,999 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 17:19:09,999 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 17:19:10,004 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 17:19:10,007 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 17:19:10,009 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 17:19:10,010 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 17:19:10,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:19:10,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:19:10,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:19:10,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:19:10,016 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 17:19:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:19:10,058 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 17:19:10,064 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 17:19:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-06 17:19:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:19:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-06 17:19:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-06 17:19:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:19:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:19:10,228 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:19:10,230 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:19:10,384 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-08-06 17:19:10,384 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:19:10,415 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:19:10,416 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-06 17:19:10,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:10 BoogieIcfgContainer [2024-08-06 17:19:10,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:19:10,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:19:10,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:19:10,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:19:10,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:07" (1/4) ... [2024-08-06 17:19:10,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b01a0b4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:19:10, skipping insertion in model container [2024-08-06 17:19:10,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:19:09" (2/4) ... [2024-08-06 17:19:10,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b01a0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:10, skipping insertion in model container [2024-08-06 17:19:10,424 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 17:19:10,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b01a0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:10, skipping insertion in model container [2024-08-06 17:19:10,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:10" (4/4) ... [2024-08-06 17:19:10,426 INFO L119 eAbstractionObserver]: Analyzing ICFG sll_length_check-1.i [2024-08-06 17:19:10,426 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:19:10,445 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:19:10,446 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:19:10,478 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,478 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,479 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,480 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,480 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,480 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,480 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,481 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,481 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,481 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,482 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,482 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,491 INFO L90 WitnessUtils]: FiniteAutomaton nwa = ( alphabet = {"assume main_~len~1#1 != main_#t~ret12#1;havoc main_#t~ret12#1;" "main_#t~short9#1 := main_~len~1#1 < 32;" "assume !(main_~len~1#1 != main_#t~ret12#1);havoc main_#t~ret12#1;assume { :begin_inline_sll_destroy } true;sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset := main_~s~0#1.base, main_~s~0#1.offset;havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset, sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset, sll_destroy_~head#1.base, sll_destroy_~head#1.offset;sll_destroy_~head#1.base, sll_destroy_~head#1.offset := sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset;" "assume main_#t~short9#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_#t~short9#1 := 0 != main_#t~nondet8#1;" "assume !main_#t~short9#1;" "assume !(sll_destroy_~head#1.base != 0 || sll_destroy_~head#1.offset != 0);" "assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;" "assume !true;" "assume !true;" "havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset, sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset, sll_destroy_~head#1.base, sll_destroy_~head#1.offset;havoc sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset;assume { :end_inline_sll_destroy } true;main_#res#1 := 0;" "assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := 1 + main_~len~1#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0;" "assume !false;" "assume false;assume false;main_#res#1 := 1;" "assume true;" "assume sll_create_~len#1 > 0;call sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset;" "sll_length_#res#1 := sll_length_~len~0#1;main_#t~ret12#1 := sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;havoc sll_length_#in~head#1.base, sll_length_#in~head#1.offset;assume { :end_inline_sll_length } true;assume -2147483648 <= main_#t~ret12#1 && main_#t~ret12#1 <= 2147483647;" "assume sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0;sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1;call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$#1(sll_length_~head#1.base, sll_length_~head#1.offset, 4);sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;" "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(21, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~short9#1, main_#t~post10#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1, main_~len~1#1, main_~s~0#1.base, main_~s~0#1.offset;main_~len~1#1 := 2;" "assume !(sll_create_~len#1 > 0);" "#t~ret13#1 := main_#res#1;havoc main_#t~nondet8#1, main_#t~short9#1, main_#t~post10#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1, main_~len~1#1, main_~s~0#1.base, main_~s~0#1.offset;assume { :end_inline_main } true;assume true;" "assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset);call write~$Pointer$#1(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4);sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;havoc sll_create_#t~post4#1;" "sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset;main_#t~ret11#1.base, main_#t~ret11#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;havoc sll_create_#in~len#1;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_~s~0#1.base, main_~s~0#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0;" "assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;" "assume 0 == sll_create_~new_head~0#1.base && 0 == sll_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 sll_destroy_~head#1.base != 0 || sll_destroy_~head#1.offset != 0;call sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset := read~$Pointer$#1(sll_destroy_~head#1.base, sll_destroy_~head#1.offset, 4);sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset := sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset;havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset;call ULTIMATE.dealloc(sll_destroy_~head#1.base, sll_destroy_~head#1.offset);sll_destroy_~head#1.base, sll_destroy_~head#1.offset := sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset;havoc sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset;" "assume !true;" "assume !(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);" "assume !true;" }, states = {"CountingPredicate [underlying: 18#L604-6true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L604-7true, annotation: [1, 0]]" "CountingPredicate [underlying: 9#main_returnLabel#1true, annotation: [1, 0]]" "CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]" "CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]" "CountingPredicate [underlying: 16#L604-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L589-4true, annotation: [1, 0]]" "CountingPredicate [underlying: 3#L608true, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 10#L578true, annotation: [1, 0]]" "CountingPredicate [underlying: 5#L572true, annotation: [1, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 15#L604-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]" "CountingPredicate [underlying: 12#L576-4true, annotation: [1, 0]]" "CountingPredicate [underlying: 11#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#main_ERROR#1true, annotation: [1, 0]]" "CountingPredicate [underlying: 17#L595true, annotation: [1, 0]]" }, initialStates = {"CountingPredicate [underlying: 11#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, transitions = { ("CountingPredicate [underlying: 18#L604-6true, annotation: [0, 0]]" "main_#t~short9#1 := main_~len~1#1 < 32;" "CountingPredicate [underlying: 15#L604-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 18#L604-6true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 8#L604-7true, annotation: [1, 0]]") ("CountingPredicate [underlying: 8#L604-7true, annotation: [1, 0]]" "assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := 1 + main_~len~1#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0;" "CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 9#main_returnLabel#1true, annotation: [1, 0]]" "#t~ret13#1 := main_#res#1;havoc main_#t~nondet8#1, main_#t~short9#1, main_#t~post10#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1, main_~len~1#1, main_~s~0#1.base, main_~s~0#1.offset;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]" "assume sll_create_~len#1 > 0;call sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset;" "CountingPredicate [underlying: 10#L578true, annotation: [1, 0]]") ("CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]" "assume !(sll_create_~len#1 > 0);" "CountingPredicate [underlying: 12#L576-4true, annotation: [1, 0]]") ("CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]" "assume !true;" "CountingPredicate [underlying: 12#L576-4true, annotation: [1, 0]]") ("CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]" "assume sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0;sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1;call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$#1(sll_length_~head#1.base, sll_length_~head#1.offset, 4);sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;" "CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]" "assume !(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);" "CountingPredicate [underlying: 6#L589-4true, annotation: [1, 0]]") ("CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]" "assume !true;" "CountingPredicate [underlying: 6#L589-4true, annotation: [1, 0]]") ("CountingPredicate [underlying: 16#L604-3true, annotation: [0, 0]]" "assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;" "CountingPredicate [underlying: 8#L604-7true, annotation: [1, 0]]") ("CountingPredicate [underlying: 16#L604-3true, annotation: [0, 0]]" "assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;" "CountingPredicate [underlying: 18#L604-6true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L589-4true, annotation: [1, 0]]" "sll_length_#res#1 := sll_length_~len~0#1;main_#t~ret12#1 := sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;havoc sll_length_#in~head#1.base, sll_length_#in~head#1.offset;assume { :end_inline_sll_length } true;assume -2147483648 <= main_#t~ret12#1 && main_#t~ret12#1 <= 2147483647;" "CountingPredicate [underlying: 3#L608true, annotation: [1, 0]]") ("CountingPredicate [underlying: 3#L608true, annotation: [1, 0]]" "assume main_~len~1#1 != main_#t~ret12#1;havoc main_#t~ret12#1;" "CountingPredicate [underlying: 13#main_ERROR#1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 3#L608true, annotation: [1, 0]]" "assume !(main_~len~1#1 != main_#t~ret12#1);havoc main_#t~ret12#1;assume { :begin_inline_sll_destroy } true;sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset := main_~s~0#1.base, main_~s~0#1.offset;havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset, sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset, sll_destroy_~head#1.base, sll_destroy_~head#1.offset;sll_destroy_~head#1.base, sll_destroy_~head#1.offset := sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset;" "CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 10#L578true, annotation: [1, 0]]" "assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset);call write~$Pointer$#1(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4);sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset;havoc sll_create_#t~post4#1;" "CountingPredicate [underlying: 19#L576-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 10#L578true, annotation: [1, 0]]" "assume 0 == sll_create_~new_head~0#1.base && 0 == sll_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: 5#L572true, annotation: [1, 0]]") ("CountingPredicate [underlying: 5#L572true, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 5#L572true, annotation: [1, 0]]") ("CountingPredicate [underlying: 15#L604-1true, annotation: [0, 0]]" "assume main_#t~short9#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_#t~short9#1 := 0 != main_#t~nondet8#1;" "CountingPredicate [underlying: 16#L604-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L604-1true, annotation: [0, 0]]" "assume !main_#t~short9#1;" "CountingPredicate [underlying: 16#L604-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]" "assume !(sll_destroy_~head#1.base != 0 || sll_destroy_~head#1.offset != 0);" "CountingPredicate [underlying: 17#L595true, annotation: [1, 0]]") ("CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]" "assume !true;" "CountingPredicate [underlying: 17#L595true, annotation: [1, 0]]") ("CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]" "assume sll_destroy_~head#1.base != 0 || sll_destroy_~head#1.offset != 0;call sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset := read~$Pointer$#1(sll_destroy_~head#1.base, sll_destroy_~head#1.offset, 4);sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset := sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset;havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset;call ULTIMATE.dealloc(sll_destroy_~head#1.base, sll_destroy_~head#1.offset);sll_destroy_~head#1.base, sll_destroy_~head#1.offset := sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset;havoc sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset;" "CountingPredicate [underlying: 7#L596-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 12#L576-4true, annotation: [1, 0]]" "sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset;main_#t~ret11#1.base, main_#t~ret11#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc3#1.base, sll_create_#t~malloc3#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;havoc sll_create_#in~len#1;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_~s~0#1.base, main_~s~0#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0;" "CountingPredicate [underlying: 14#L589-3true, annotation: [1, 0]]") ("CountingPredicate [underlying: 11#$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(21, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~short9#1, main_#t~post10#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1, main_~len~1#1, main_~s~0#1.base, main_~s~0#1.offset;main_~len~1#1 := 2;" "CountingPredicate [underlying: 18#L604-6true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#main_ERROR#1true, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 4#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 13#main_ERROR#1true, annotation: [1, 0]]" "assume false;assume false;main_#res#1 := 1;" "CountingPredicate [underlying: 9#main_returnLabel#1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 17#L595true, annotation: [1, 0]]" "havoc sll_destroy_#t~mem7#1.base, sll_destroy_#t~mem7#1.offset, sll_destroy_~temp~0#1.base, sll_destroy_~temp~0#1.offset, sll_destroy_~head#1.base, sll_destroy_~head#1.offset;havoc sll_destroy_#in~head#1.base, sll_destroy_#in~head#1.offset;assume { :end_inline_sll_destroy } true;main_#res#1 := 0;" "CountingPredicate [underlying: 9#main_returnLabel#1true, annotation: [1, 0]]") } ); [2024-08-06 17:19:10,498 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 18 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 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 17:19:10,498 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,498 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,498 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,499 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,499 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,499 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,499 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,500 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,500 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,504 WARN L283 nessProductAutomaton]: assume !main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;, isNegated true [2024-08-06 17:19:10,505 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:10,505 WARN L283 nessProductAutomaton]: assume main_#t~short9#1;havoc main_#t~nondet8#1;havoc main_#t~short9#1;main_#t~post10#1 := main_~len~1#1;main_~len~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;, isNegated false [2024-08-06 17:19:10,512 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 18 states to 0 states. [2024-08-06 17:19:10,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:19:10,536 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;@605cd9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:19:10,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:19:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:19:10,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:19:10,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:19:10,547 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:19:10,550 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:19:10,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:19:10 BoogieIcfgContainer [2024-08-06 17:19:10,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:19:10,558 INFO L158 Benchmark]: Toolchain (without parser) took 1150.78ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 93.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-06 17:19:10,558 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:10,559 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:10,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.39ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 123.4MB in the end (delta: -19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-06 17:19:10,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.65ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 122.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:10,562 INFO L158 Benchmark]: Boogie Preprocessor took 51.13ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 119.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-06 17:19:10,562 INFO L158 Benchmark]: RCFGBuilder took 401.31ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 103.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-06 17:19:10,563 INFO L158 Benchmark]: TraceAbstraction took 137.97ms. Allocated memory is still 165.7MB. Free memory was 103.2MB in the beginning and 93.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-06 17:19:10,566 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 0.19ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.39ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 123.4MB in the end (delta: -19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.65ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 122.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.13ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 119.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 401.31ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 103.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 137.97ms. Allocated memory is still 165.7MB. Free memory was 103.2MB in the beginning and 93.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. 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: 613]: 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, 18 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 17:19:10,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE