./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/locks/test_locks_14-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test_locks_14-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test_locks_14-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:12:41,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:42,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:42,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:42,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:42,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:42,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:42,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:42,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:42,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:42,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:42,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:42,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:42,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:42,058 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:42,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:42,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:42,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:42,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:42,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:42,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:42,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:42,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:42,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:42,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:42,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:42,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:42,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:42,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:42,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:42,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:42,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:42,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:42,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:42,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:42,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:42,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:42,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:42,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:42,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:42,064 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:42,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:42,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:42,065 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:42,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:42,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:42,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:42,296 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:12:42,297 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:12:42,298 INFO L431 ainManager$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/test_locks_14-2.yml/witness.yml [2024-08-14 14:12:42,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:12:42,397 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:12:42,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2024-08-14 14:12:43,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:12:43,784 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:12:43,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2024-08-14 14:12:43,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a724e2c64/9925669c314c447d8776ac779f175fb9/FLAG2e4618913 [2024-08-14 14:12:43,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a724e2c64/9925669c314c447d8776ac779f175fb9 [2024-08-14 14:12:43,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:12:43,805 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:12:43,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:12:43,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:12:43,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:12:43,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:42" (1/2) ... [2024-08-14 14:12:43,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318a36db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:43, skipping insertion in model container [2024-08-14 14:12:43,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:42" (1/2) ... [2024-08-14 14:12:43,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67d6e37d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:43, skipping insertion in model container [2024-08-14 14:12:43,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:43" (2/2) ... [2024-08-14 14:12:43,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318a36db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:43, skipping insertion in model container [2024-08-14 14:12:43,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:43" (2/2) ... [2024-08-14 14:12:43,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:12:43,981 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2024-08-14 14:12:43,986 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:12:43,994 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:12:44,013 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2024-08-14 14:12:44,016 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:12:44,030 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:12:44,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44 WrapperNode [2024-08-14 14:12:44,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:12:44,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:12:44,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:12:44,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:12:44,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,061 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:12:44,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:12:44,069 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:12:44,069 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:12:44,069 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:12:44,070 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (1/1) ... [2024-08-14 14:12:44,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:12:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:12:44,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:12:44,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:12:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:12:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:12:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:12:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:12:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:12:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:12:44,195 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:12:44,197 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:12:44,498 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-08-14 14:12:44,498 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:12:44,513 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:12:44,513 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:12:44,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:12:44 BoogieIcfgContainer [2024-08-14 14:12:44,513 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:12:44,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:12:44,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:12:44,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:12:44,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:42" (1/4) ... [2024-08-14 14:12:44,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54748e77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:12:44, skipping insertion in model container [2024-08-14 14:12:44,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:12:43" (2/4) ... [2024-08-14 14:12:44,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54748e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:12:44, skipping insertion in model container [2024-08-14 14:12:44,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:44" (3/4) ... [2024-08-14 14:12:44,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54748e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:12:44, skipping insertion in model container [2024-08-14 14:12:44,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:12:44" (4/4) ... [2024-08-14 14:12:44,524 INFO L119 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2024-08-14 14:12:44,525 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:12:44,541 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:12:44,541 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:12:44,563 INFO L92 WitnessUtils]: Constructing product of automaton with 75 states and violation witness of the following lengths: [18] [2024-08-14 14:12:44,570 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 75 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-08-14 14:12:44,827 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 1126 states to 988 states. [2024-08-14 14:12:44,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:12:44,851 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;@14ae38b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:12:44,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:12:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states. [2024-08-14 14:12:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-08-14 14:12:44,858 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:12:44,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:12:44,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:12:44,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:12:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1803595547, now seen corresponding path program 1 times [2024-08-14 14:12:44,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:12:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899242630] [2024-08-14 14:12:44,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:12:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:12:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:12:44,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:12:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:12:45,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:12:45,015 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:12:45,016 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:12:45,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:12:45,022 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:12:45,025 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:12:45,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:12:45 BoogieIcfgContainer [2024-08-14 14:12:45,058 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:12:45,059 INFO L158 Benchmark]: Toolchain (without parser) took 1254.57ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 83.2MB in the beginning and 116.8MB in the end (delta: -33.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-08-14 14:12:45,059 INFO L158 Benchmark]: Witness Parser took 0.78ms. Allocated memory is still 159.4MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:12:45,060 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:12:45,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.73ms. Allocated memory is still 159.4MB. Free memory was 83.0MB in the beginning and 70.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:12:45,061 INFO L158 Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 68.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:12:45,061 INFO L158 Benchmark]: IcfgBuilder took 444.54ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 68.0MB in the beginning and 194.4MB in the end (delta: -126.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-08-14 14:12:45,062 INFO L158 Benchmark]: TraceAbstraction took 543.34ms. Allocated memory is still 228.6MB. Free memory was 193.3MB in the beginning and 116.8MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-08-14 14:12:45,063 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 0.78ms. Allocated memory is still 159.4MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.73ms. Allocated memory is still 159.4MB. Free memory was 83.0MB in the beginning and 70.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.02ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 68.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 444.54ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 68.0MB in the beginning and 194.4MB in the end (delta: -126.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 543.34ms. Allocated memory is still 228.6MB. Free memory was 193.3MB in the beginning and 116.8MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. 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: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L53] COND TRUE 1 VAL [p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) VAL [p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L88] COND FALSE !(p1 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L92] COND FALSE !(p2 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L116] COND FALSE !(p8 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L124] COND TRUE p10 != 0 [L125] lk10 = 1 VAL [lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L146] COND FALSE !(p1 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L151] COND FALSE !(p2 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L219] reach_error() VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p1=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=988occurred 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:12:45,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE