./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/mutex_lock_struct.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0a70ae82 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/mutex_lock_struct.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-0a70ae8-m [2024-08-07 14:07:43,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-07 14:07:43,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-07 14:07:43,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-07 14:07:43,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-07 14:07:43,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-07 14:07:43,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-07 14:07:43,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-07 14:07:43,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-07 14:07:43,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-07 14:07:43,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-07 14:07:43,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-07 14:07:43,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-07 14:07:43,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-07 14:07:43,430 INFO L153 SettingsManager]: * Use SBE=true [2024-08-07 14:07:43,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-07 14:07:43,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-07 14:07:43,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-07 14:07:43,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-07 14:07:43,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-07 14:07:43,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-07 14:07:43,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-07 14:07:43,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-07 14:07:43,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-07 14:07:43,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-07 14:07:43,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-07 14:07:43,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-07 14:07:43,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-07 14:07:43,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-07 14:07:43,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-07 14:07:43,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-07 14:07:43,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-07 14:07:43,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-07 14:07:43,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-07 14:07:43,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-07 14:07:43,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-07 14:07:43,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-07 14:07:43,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-07 14:07:43,441 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-07 14:07:43,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-07 14:07:43,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-07 14:07:43,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-07 14:07:43,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-07 14:07:43,762 INFO L274 PluginConnector]: CDTParser initialized [2024-08-07 14:07:43,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2024-08-07 14:07:45,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-07 14:07:45,408 INFO L384 CDTParser]: Found 1 translation units. [2024-08-07 14:07:45,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2024-08-07 14:07:45,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3ccf0ad/39d3b4d6b8c14b5587d914a5388f2275/FLAGfa2b90209 [2024-08-07 14:07:45,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3ccf0ad/39d3b4d6b8c14b5587d914a5388f2275 [2024-08-07 14:07:45,428 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-07 14:07:45,428 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-07 14:07:45,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/mutex_lock_struct.yml/witness.yml [2024-08-07 14:07:45,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-07 14:07:45,487 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-07 14:07:45,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-07 14:07:45,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-07 14:07:45,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-07 14:07:45,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:07:45" (1/2) ... [2024-08-07 14:07:45,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736d80d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:07:45" (1/2) ... [2024-08-07 14:07:45,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@697f31b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/2) ... [2024-08-07 14:07:45,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736d80d5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45, skipping insertion in model container [2024-08-07 14:07:45,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/2) ... [2024-08-07 14:07:45,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-07 14:07:45,688 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i[295,308] [2024-08-07 14:07:45,703 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:07:45,717 INFO L200 MainTranslator]: Completed pre-run [2024-08-07 14:07:45,726 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i[295,308] [2024-08-07 14:07:45,731 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:07:45,744 INFO L204 MainTranslator]: Completed translation [2024-08-07 14:07:45,745 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45 WrapperNode [2024-08-07 14:07:45,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-07 14:07:45,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-07 14:07:45,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-07 14:07:45,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-07 14:07:45,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,772 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-08-07 14:07:45,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-07 14:07:45,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-07 14:07:45,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-07 14:07:45,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-07 14:07:45,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (1/1) ... [2024-08-07 14:07:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-07 14:07:45,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-07 14:07:45,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-07 14:07:45,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-07 14:07:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-08-07 14:07:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-07 14:07:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-07 14:07:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-07 14:07:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-07 14:07:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-07 14:07:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure err [2024-08-07 14:07:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-08-07 14:07:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-07 14:07:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-07 14:07:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-07 14:07:45,946 INFO L273 CfgBuilder]: Building ICFG [2024-08-07 14:07:45,950 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-07 14:07:46,067 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-08-07 14:07:46,067 INFO L327 CfgBuilder]: Performing block encoding [2024-08-07 14:07:46,076 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-07 14:07:46,076 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-07 14:07:46,076 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:07:46 BoogieIcfgContainer [2024-08-07 14:07:46,077 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-07 14:07:46,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-07 14:07:46,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-07 14:07:46,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-07 14:07:46,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 02:07:45" (1/4) ... [2024-08-07 14:07:46,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3433d919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:07:45" (2/4) ... [2024-08-07 14:07:46,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3433d919 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:07:45" (3/4) ... [2024-08-07 14:07:46,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3433d919 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:07:46, skipping insertion in model container [2024-08-07 14:07:46,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:07:46" (4/4) ... [2024-08-07 14:07:46,088 INFO L119 eAbstractionObserver]: Analyzing ICFG mutex_lock_struct.i [2024-08-07 14:07:46,088 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-07 14:07:46,105 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-07 14:07:46,106 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-07 14:07:46,145 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,146 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,148 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,148 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,149 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,150 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,150 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,153 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,154 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,154 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,154 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,154 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,155 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,155 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,156 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,156 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,159 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,159 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,159 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,160 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,161 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,161 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,161 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,161 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,163 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,163 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,164 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,164 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,168 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,168 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,168 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,169 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,169 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,169 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,170 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,170 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,170 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,170 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,171 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,171 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,171 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,171 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,172 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,172 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,178 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,179 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,179 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,179 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,180 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,180 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,180 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,181 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,181 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,181 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,189 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call err();" "call #t~ret6 := main();" "call ULTIMATE.init();" "call mutex_lock(~#m~0.base, ~#m~0.offset);" "call mutex_lock(~#m~0.base, ~#m~0.offset);" }, internalAlphabet = {"assume false;" "assume false;" "assume !false;" "assume true;" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "SUMMARY for call mutex_lock(~#m~0.base, ~#m~0.offset); srcloc: L42-1" "SUMMARY for call mutex_lock(~#m~0.base, ~#m~0.offset); srcloc: L38" "call ~#m~0.base, ~#m~0.offset := #Ultimate.allocOnStack(4);call write~int#2(0, ~#m~0.base, ~#m~0.offset, 4);" "assume true;" "call write~int#1(0, ~b.base, ~b.offset, 4);" "assume true;" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);" "assume true;" "call write~int#2(1, ~a.base, ~a.offset, 4);" "SUMMARY for call err(); srcloc: L23" "assume 1 == #t~mem4;havoc #t~mem4;" "assume !(1 == #t~mem4);havoc #t~mem4;" "~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem4 := read~int#2(~a.base, ~a.offset, 4);" "assume true;" "SUMMARY for call #t~ret6 := main(); srcloc: L-1" "SUMMARY for call ULTIMATE.init(); srcloc: ULTIMATE.startENTRY" "assume true;" }, returnAlphabet = {"#33#return;" "#35#return;" "#37#return;" "#39#return;" "#29#return;" "#31#return;" }, states = {"CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 16#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 10#errENTRYtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 13#L42true, annotation: [2, 0]]" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 17#L23-1true, annotation: [4, 0]]" "CountingPredicate [underlying: 18#L24true, annotation: [7, 0]]" "CountingPredicate [underlying: 13#L42true, annotation: [4, 0]]" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 18#L24true, annotation: [1, 0]]" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 22#L15true, annotation: [7, 0]]" "CountingPredicate [underlying: 9#L38true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L23true, annotation: [1, 0]]" "CountingPredicate [underlying: 14#mainENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 22#L15true, annotation: [1, 0]]" "CountingPredicate [underlying: 8#L23true, annotation: [5, 0]]" "CountingPredicate [underlying: 6#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 3#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 10#errENTRYtrue, annotation: [6, 0]]" "CountingPredicate [underlying: 27#errFINALtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 3#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 27#errFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 12#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 11#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 24#errEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 13#L42true, annotation: [1, 0]]" "CountingPredicate [underlying: 13#L42true, annotation: [7, 0]]" "CountingPredicate [underlying: 17#L23-1true, annotation: [1, 0]]" "CountingPredicate [underlying: 18#L24true, annotation: [4, 0]]" "CountingPredicate [underlying: 18#L24true, annotation: [2, 0]]" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 24#errEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [3, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [1, 0]]" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [7, 0]]" }, initialStates = {"CountingPredicate [underlying: 12#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" }, finalStates = {"CountingPredicate [underlying: 3#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [7, 0]]" }, callTransitions = { ("CountingPredicate [underlying: 9#L38true, annotation: [0, 0]]" "call mutex_lock(~#m~0.base, ~#m~0.offset);" "CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 8#L23true, annotation: [1, 0]]" "call err();" "CountingPredicate [underlying: 10#errENTRYtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 8#L23true, annotation: [5, 0]]" "call err();" "CountingPredicate [underlying: 10#errENTRYtrue, annotation: [6, 0]]") ("CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "call #t~ret6 := main();" "CountingPredicate [underlying: 14#mainENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "call ULTIMATE.init();" "CountingPredicate [underlying: 11#ULTIMATE.initENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L42-1true, annotation: [3, 0]]" "call mutex_lock(~#m~0.base, ~#m~0.offset);" "CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 15#L42-1true, annotation: [1, 0]]" "call mutex_lock(~#m~0.base, ~#m~0.offset);" "CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [1, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 16#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 6#ULTIMATE.initEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [4, 0]]" "assume true;" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 10#errENTRYtrue, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 22#L15true, annotation: [1, 0]]") ("CountingPredicate [underlying: 10#errENTRYtrue, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 3#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [4, 0]]" "~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem4 := read~int#2(~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 17#L23-1true, annotation: [4, 0]]") ("CountingPredicate [underlying: 13#L42true, annotation: [2, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 17#L23-1true, annotation: [4, 0]]" "assume 1 == #t~mem4;havoc #t~mem4;" "CountingPredicate [underlying: 8#L23true, annotation: [5, 0]]") ("CountingPredicate [underlying: 17#L23-1true, annotation: [4, 0]]" "assume !(1 == #t~mem4);havoc #t~mem4;" "CountingPredicate [underlying: 18#L24true, annotation: [4, 0]]") ("CountingPredicate [underlying: 18#L24true, annotation: [7, 0]]" "call write~int#2(1, ~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 13#L42true, annotation: [4, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 18#L24true, annotation: [1, 0]]" "call write~int#2(1, ~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [7, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 21#mainFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 21#mainFINALtrue, annotation: [7, 0]]" "assume true;" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 22#L15true, annotation: [7, 0]]" "assume false;" "CountingPredicate [underlying: 27#errFINALtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 14#mainENTRYtrue, annotation: [0, 0]]" "call ~#m~0.base, ~#m~0.offset := #Ultimate.allocOnStack(4);call write~int#2(0, ~#m~0.base, ~#m~0.offset, 4);" "CountingPredicate [underlying: 9#L38true, annotation: [0, 0]]") ("CountingPredicate [underlying: 22#L15true, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 27#errFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 10#errENTRYtrue, annotation: [6, 0]]" "assume false;" "CountingPredicate [underlying: 22#L15true, annotation: [7, 0]]") ("CountingPredicate [underlying: 10#errENTRYtrue, annotation: [6, 0]]" "assume !false;" "CountingPredicate [underlying: 3#errErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 27#errFINALtrue, annotation: [7, 0]]" "assume true;" "CountingPredicate [underlying: 24#errEXITtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 27#errFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 24#errEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 5#mutex_lockENTRYtrue, annotation: [1, 0]]" "~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem4 := read~int#2(~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 17#L23-1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 11#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);" "CountingPredicate [underlying: 16#ULTIMATE.initFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [7, 0]]" "assume true;" "CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 13#L42true, annotation: [1, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 13#L42true, annotation: [7, 0]]" "call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset;" "CountingPredicate [underlying: 21#mainFINALtrue, annotation: [7, 0]]") ("CountingPredicate [underlying: 17#L23-1true, annotation: [1, 0]]" "assume 1 == #t~mem4;havoc #t~mem4;" "CountingPredicate [underlying: 8#L23true, annotation: [1, 0]]") ("CountingPredicate [underlying: 17#L23-1true, annotation: [1, 0]]" "assume !(1 == #t~mem4);havoc #t~mem4;" "CountingPredicate [underlying: 18#L24true, annotation: [2, 0]]") ("CountingPredicate [underlying: 18#L24true, annotation: [4, 0]]" "call write~int#2(1, ~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 18#L24true, annotation: [2, 0]]" "call write~int#2(1, ~a.base, ~a.offset, 4);" "CountingPredicate [underlying: 26#mutex_lockFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [4, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 21#mainFINALtrue, annotation: [2, 0]]" "assume true;" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 21#mainFINALtrue, annotation: [4, 0]]" "assume true;" "CountingPredicate [underlying: 20#mainEXITtrue, annotation: [4, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 20#mainEXITtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "#37#return;" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [4, 0]]") ("CountingPredicate [underlying: 20#mainEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "#37#return;" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [2, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [4, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [3, 0]]" "#29#return;" "CountingPredicate [underlying: 13#L42true, annotation: [4, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 9#L38true, annotation: [0, 0]]" "#31#return;" "CountingPredicate [underlying: 15#L42-1true, annotation: [3, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [2, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [1, 0]]" "#29#return;" "CountingPredicate [underlying: 13#L42true, annotation: [2, 0]]") ("CountingPredicate [underlying: 6#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 12#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "#39#return;" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 24#errEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 8#L23true, annotation: [5, 0]]" "#35#return;" "CountingPredicate [underlying: 18#L24true, annotation: [7, 0]]") ("CountingPredicate [underlying: 20#mainEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "#37#return;" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 24#errEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 8#L23true, annotation: [1, 0]]" "#35#return;" "CountingPredicate [underlying: 18#L24true, annotation: [1, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [3, 0]]" "#29#return;" "CountingPredicate [underlying: 13#L42true, annotation: [7, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 9#L38true, annotation: [0, 0]]" "#31#return;" "CountingPredicate [underlying: 15#L42-1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 23#mutex_lockEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 15#L42-1true, annotation: [1, 0]]" "#29#return;" "CountingPredicate [underlying: 13#L42true, annotation: [1, 0]]") ("CountingPredicate [underlying: 20#mainEXITtrue, annotation: [7, 0]]" "CountingPredicate [underlying: 4#L-1true, annotation: [0, 0]]" "#37#return;" "CountingPredicate [underlying: 28#ULTIMATE.startFINALtrue, annotation: [7, 0]]") } ); [2024-08-07 14:07:46,196 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-08-07 14:07:46,200 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,200 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,201 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,201 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,201 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,204 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,204 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,204 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,205 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,205 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,205 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,205 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,205 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,206 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,206 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,206 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,206 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,206 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,207 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,207 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,207 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,208 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,209 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,209 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,209 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,209 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,210 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,210 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,210 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,211 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,211 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,211 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,212 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,212 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,214 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,214 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,215 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,215 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,215 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,215 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,215 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,216 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,216 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,216 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,217 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,220 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,220 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,220 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume 1 == #t~mem4;havoc #t~mem4;, isNegated false [2024-08-07 14:07:46,221 WARN L283 nessProductAutomaton]: assume !(1 == #t~mem4);havoc #t~mem4;, isNegated true [2024-08-07 14:07:46,227 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 57 states to 18 states. [2024-08-07 14:07:46,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-07 14:07:46,251 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;@7aaa0ee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-07 14:07:46,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-07 14:07:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-07 14:07:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-07 14:07:46,256 INFO L187 NwaCegarLoop]: Found error trace [2024-08-07 14:07:46,257 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-07 14:07:46,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errErr0ASSERT_VIOLATIONERROR_FUNCTION === [errErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-07 14:07:46,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-07 14:07:46,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1198168665, now seen corresponding path program 1 times [2024-08-07 14:07:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-07 14:07:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963532570] [2024-08-07 14:07:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-07 14:07:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-07 14:07:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 14:07:46,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-07 14:07:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-07 14:07:46,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-07 14:07:46,402 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-07 14:07:46,403 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location errErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-07 14:07:46,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-07 14:07:46,408 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-07 14:07:46,411 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-07 14:07:46,428 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 02:07:46 BoogieIcfgContainer [2024-08-07 14:07:46,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-07 14:07:46,430 INFO L158 Benchmark]: Toolchain (without parser) took 943.05ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 54.5MB in the beginning and 41.8MB in the end (delta: 12.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,436 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:07:46,437 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:07:46,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.33ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 43.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,437 INFO L158 Benchmark]: Boogie Preprocessor took 37.55ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,438 INFO L158 Benchmark]: IcfgBuilder took 292.70ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 67.4MB in the end (delta: -26.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,438 INFO L158 Benchmark]: TraceAbstraction took 348.13ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 41.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-07 14:07:46,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.33ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 43.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.55ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 292.70ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 67.4MB in the end (delta: -26.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 348.13ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 41.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] struct mutex m; [L36] m.is_locked = 0 VAL [m={5:0}] [L38] CALL mutex_lock(&m) VAL [\old(a)={5:0}] [L23] EXPR a->is_locked VAL [\old(a)={5:0}, a={5:0}] [L23] a->is_locked == 1 [L24] a->is_locked = 1 VAL [\old(a)={5:0}] [L38] RET mutex_lock(&m) VAL [m={5:0}] [L42] CALL mutex_lock(&m) VAL [\old(a)={5:0}] [L23] EXPR a->is_locked VAL [\old(a)={5:0}, a={5:0}] [L23] a->is_locked == 1 [L23] CALL err() [L15] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-07 14:07:46,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE