./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_42-traces-ex-mini_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/goblint-regression/13-privatized_42-traces-ex-mini_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_42-traces-ex-mini_true.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 --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 20:57:06,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 20:57:06,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 20:57:06,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 20:57:06,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 20:57:06,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 20:57:06,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 20:57:06,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 20:57:06,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 20:57:06,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 20:57:06,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 20:57:06,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 20:57:06,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 20:57:06,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 20:57:06,594 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 20:57:06,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 20:57:06,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 20:57:06,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 20:57:06,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 20:57:06,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 20:57:06,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 20:57:06,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 20:57:06,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 20:57:06,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 20:57:06,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 20:57:06,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 20:57:06,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 20:57:06,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 20:57:06,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 20:57:06,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 20:57:06,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 20:57:06,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 20:57:06,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:57:06,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 20:57:06,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 20:57:06,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 20:57:06,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 20:57:06,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 20:57:06,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 20:57:06,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 20:57:06,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 20:57:06,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 20:57:06,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 20:57:06,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 20:57:06,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 20:57:06,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 20:57:06,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 20:57:06,802 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 20:57:06,803 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 20:57:06,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-06-03 20:57:06,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 20:57:06,876 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 20:57:06,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-06-03 20:57:07,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 20:57:08,042 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 20:57:08,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-06-03 20:57:08,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6c3afbaf/e05944c93af64cbc91c1df92e05928c6/FLAG79f9767d2 [2024-06-03 20:57:08,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6c3afbaf/e05944c93af64cbc91c1df92e05928c6 [2024-06-03 20:57:08,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 20:57:08,078 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 20:57:08,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 20:57:08,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 20:57:08,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 20:57:08,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:06" (1/2) ... [2024-06-03 20:57:08,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416fc8f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:57:08, skipping insertion in model container [2024-06-03 20:57:08,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:06" (1/2) ... [2024-06-03 20:57:08,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e11529 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:57:08, skipping insertion in model container [2024-06-03 20:57:08,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:57:08" (2/2) ... [2024-06-03 20:57:08,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416fc8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08, skipping insertion in model container [2024-06-03 20:57:08,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:57:08" (2/2) ... [2024-06-03 20:57:08,088 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 20:57:08,116 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 20:57:08,117 INFO L97 edCorrectnessWitness]: Location invariant before [L697-L697] (! multithreaded || (C_locked || g == 17)) && (! multithreaded || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42))) [2024-06-03 20:57:08,117 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-03 20:57:08,117 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-03 20:57:08,118 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-03 20:57:08,118 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] multithreaded = 1; [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] C_locked = 0; [2024-06-03 20:57:08,118 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-03 20:57:08,119 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-06-03 20:57:08,119 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-06-03 20:57:08,119 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] C_locked = 1; [2024-06-03 20:57:08,119 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-06-03 20:57:08,119 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-06-03 20:57:08,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 20:57:08,363 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:57:08,377 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 20:57:08,477 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:57:08,513 INFO L206 MainTranslator]: Completed translation [2024-06-03 20:57:08,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08 WrapperNode [2024-06-03 20:57:08,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 20:57:08,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:08,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 20:57:08,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 20:57:08,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,566 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-03 20:57:08,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:08,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 20:57:08,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 20:57:08,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 20:57:08,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,626 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-03 20:57:08,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 20:57:08,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 20:57:08,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 20:57:08,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 20:57:08,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (1/1) ... [2024-06-03 20:57:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:57:08,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 20:57:08,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-03 20:57:08,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-03 20:57:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-03 20:57:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 20:57:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-03 20:57:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-03 20:57:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 20:57:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 20:57:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-03 20:57:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-03 20:57:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-03 20:57:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 20:57:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 20:57:08,733 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 20:57:08,832 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 20:57:08,833 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 20:57:08,975 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 20:57:08,975 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 20:57:09,063 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 20:57:09,064 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 20:57:09,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:09 BoogieIcfgContainer [2024-06-03 20:57:09,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 20:57:09,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 20:57:09,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 20:57:09,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 20:57:09,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:57:06" (1/4) ... [2024-06-03 20:57:09,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8014f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 08:57:09, skipping insertion in model container [2024-06-03 20:57:09,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 08:57:08" (2/4) ... [2024-06-03 20:57:09,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:09, skipping insertion in model container [2024-06-03 20:57:09,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:08" (3/4) ... [2024-06-03 20:57:09,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:09, skipping insertion in model container [2024-06-03 20:57:09,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:09" (4/4) ... [2024-06-03 20:57:09,070 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-06-03 20:57:09,082 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 20:57:09,082 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-03 20:57:09,082 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 20:57:09,102 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 20:57:09,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 62 flow [2024-06-03 20:57:09,146 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-06-03 20:57:09,147 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:09,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-03 20:57:09,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 62 flow [2024-06-03 20:57:09,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-03 20:57:09,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 20:57:09,171 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;@32d34b2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 20:57:09,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-03 20:57:09,178 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 20:57:09,179 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-03 20:57:09,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:09,179 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:09,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 20:57:09,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:09,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1268297705, now seen corresponding path program 1 times [2024-06-03 20:57:09,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:09,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49407913] [2024-06-03 20:57:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:09,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49407913] [2024-06-03 20:57:09,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49407913] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:09,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 20:57:09,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183783277] [2024-06-03 20:57:09,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:09,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:57:09,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:09,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:57:09,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:57:09,629 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-03 20:57:09,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:09,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:09,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-03 20:57:09,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:09,671 INFO L124 PetriNetUnfolderBase]: 8/34 cut-off events. [2024-06-03 20:57:09,671 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:09,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 34 events. 8/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 6 based on Foata normal form. 6/39 useless extension candidates. Maximal degree in co-relation 58. Up to 23 conditions per place. [2024-06-03 20:57:09,673 INFO L140 encePairwiseOnDemand]: 25/29 looper letters, 11 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2024-06-03 20:57:09,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 63 flow [2024-06-03 20:57:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:57:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:57:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-03 20:57:09,682 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4482758620689655 [2024-06-03 20:57:09,683 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 39 transitions. [2024-06-03 20:57:09,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 63 flow [2024-06-03 20:57:09,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 20:57:09,690 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2024-06-03 20:57:09,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-03 20:57:09,693 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-03 20:57:09,694 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2024-06-03 20:57:09,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:09,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:09,694 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 20:57:09,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 20:57:09,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:09,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash 931714714, now seen corresponding path program 1 times [2024-06-03 20:57:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283930134] [2024-06-03 20:57:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:09,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:09,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283930134] [2024-06-03 20:57:09,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283930134] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:09,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:09,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 20:57:09,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033890712] [2024-06-03 20:57:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:09,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 20:57:09,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:09,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 20:57:09,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-03 20:57:09,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-03 20:57:09,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:09,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:09,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-03 20:57:09,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:09,917 INFO L124 PetriNetUnfolderBase]: 7/28 cut-off events. [2024-06-03 20:57:09,917 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-03 20:57:09,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 28 events. 7/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 3 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 52. Up to 15 conditions per place. [2024-06-03 20:57:09,917 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2024-06-03 20:57:09,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 16 transitions, 71 flow [2024-06-03 20:57:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-03 20:57:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-03 20:57:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2024-06-03 20:57:09,919 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4051724137931034 [2024-06-03 20:57:09,919 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 4 states and 47 transitions. [2024-06-03 20:57:09,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 16 transitions, 71 flow [2024-06-03 20:57:09,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 20:57:09,920 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2024-06-03 20:57:09,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2024-06-03 20:57:09,920 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 1 predicate places. [2024-06-03 20:57:09,920 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2024-06-03 20:57:09,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 20:57:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-03 20:57:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-03 20:57:09,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 20:57:09,923 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-03 20:57:09,926 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 20:57:09,926 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 20:57:09,929 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-03 20:57:09,929 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-03 20:57:09,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 08:57:09 BasicIcfg [2024-06-03 20:57:09,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 20:57:09,930 INFO L158 Benchmark]: Toolchain (without parser) took 1851.87ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 144.8MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:09,930 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:09,930 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:09,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.03ms. Allocated memory is still 182.5MB. Free memory was 142.6MB in the beginning and 116.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-03 20:57:09,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.16ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:57:09,931 INFO L158 Benchmark]: Boogie Preprocessor took 82.10ms. Allocated memory is still 182.5MB. Free memory was 114.4MB in the beginning and 153.1MB in the end (delta: -38.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-06-03 20:57:09,931 INFO L158 Benchmark]: RCFGBuilder took 414.26ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 121.3MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-03 20:57:09,932 INFO L158 Benchmark]: TraceAbstraction took 864.48ms. Allocated memory is still 182.5MB. Free memory was 120.9MB in the beginning and 144.8MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:09,933 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 0.16ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.03ms. Allocated memory is still 182.5MB. Free memory was 142.6MB in the beginning and 116.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.16ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.10ms. Allocated memory is still 182.5MB. Free memory was 114.4MB in the beginning and 153.1MB in the end (delta: -38.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 414.26ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 121.3MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 864.48ms. Allocated memory is still 182.5MB. Free memory was 120.9MB in the beginning and 144.8MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 41 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-03 20:57:09,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE