./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/time_var_mutex.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/time_var_mutex.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-2cc22fc-m [2024-07-22 22:34:18,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:34:18,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:34:18,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:34:18,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:34:18,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:34:18,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:34:18,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:34:18,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:34:18,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:34:18,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:34:18,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:34:18,449 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:34:18,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:34:18,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:34:18,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:34:18,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:34:18,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:34:18,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:34:18,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:34:18,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:34:18,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:34:18,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:34:18,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:34:18,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:34:18,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:34:18,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:34:18,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:34:18,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:34:18,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:34:18,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:34:18,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:34:18,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:34:18,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:34:18,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:34:18,457 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:34:18,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:34:18,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:34:18,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:34:18,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:34:18,458 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:34:18,459 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:34:18,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:34:18,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:34:18,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:34:18,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:34:18,790 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:34:18,790 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:34:18,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/time_var_mutex.yml/witness.yml [2024-07-22 22:34:18,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:34:18,939 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:34:18,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-07-22 22:34:20,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:34:20,306 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:34:20,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-07-22 22:34:20,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7da176fe7/7b4e67b09b5b4752a800b96a1b1e31fc/FLAG7daf9875f [2024-07-22 22:34:20,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7da176fe7/7b4e67b09b5b4752a800b96a1b1e31fc [2024-07-22 22:34:20,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:34:20,338 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:34:20,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:34:20,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:34:20,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:34:20,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:18" (1/2) ... [2024-07-22 22:34:20,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a852af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:34:20, skipping insertion in model container [2024-07-22 22:34:20,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:18" (1/2) ... [2024-07-22 22:34:20,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2362dbd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:34:20, skipping insertion in model container [2024-07-22 22:34:20,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:20" (2/2) ... [2024-07-22 22:34:20,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a852af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20, skipping insertion in model container [2024-07-22 22:34:20,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:20" (2/2) ... [2024-07-22 22:34:20,348 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:34:20,390 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:34:20,391 INFO L97 edCorrectnessWitness]: Location invariant before [L721-L721] ((((! multithreaded || (m_busy_locked || (busy == 0 || busy == 1))) && (! multithreaded || (busy == 0 || busy == 1))) && (! multithreaded || (m_inode_locked || ((busy == 0 || busy == 1) && (inode == 0 || inode == 1))))) && (! multithreaded || (inode == 0 || inode == 1))) && (! multithreaded || (block == 0 || block == 1)) [2024-07-22 22:34:20,391 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] ((((! multithreaded || (m_busy_locked || (busy == 0 || busy == 1))) && (! multithreaded || (busy == 0 || busy == 1))) && (! multithreaded || (m_inode_locked || ((busy == 0 || busy == 1) && (inode == 0 || inode == 1))))) && (! multithreaded || (inode == 0 || inode == 1))) && (! multithreaded || (block == 0 || block == 1)) [2024-07-22 22:34:20,391 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:34:20,391 INFO L103 edCorrectnessWitness]: ghost_variable m_inode_locked = 0 [2024-07-22 22:34:20,392 INFO L103 edCorrectnessWitness]: ghost_variable m_busy_locked = 0 [2024-07-22 22:34:20,392 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] m_busy_locked = 1; [2024-07-22 22:34:20,392 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] m_busy_locked = 1; [2024-07-22 22:34:20,392 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] m_inode_locked = 0; [2024-07-22 22:34:20,392 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] m_inode_locked = 1; [2024-07-22 22:34:20,392 INFO L106 edCorrectnessWitness]: ghost_update [L712-L712] m_busy_locked = 0; [2024-07-22 22:34:20,393 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] multithreaded = 1; [2024-07-22 22:34:20,393 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] m_busy_locked = 0; [2024-07-22 22:34:20,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:34:20,779 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:34:20,790 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 [2024-07-22 22:34:20,860 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:34:20,902 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:34:20,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20 WrapperNode [2024-07-22 22:34:20,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:34:20,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:34:20,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:34:20,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:34:20,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,947 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-07-22 22:34:20,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:34:20,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:34:20,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:34:20,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:34:20,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:34:20,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:34:20,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:34:20,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:34:20,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (1/1) ... [2024-07-22 22:34:20,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:34:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:34:21,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 22:34:21,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 22:34:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-07-22 22:34:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-07-22 22:34:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-07-22 22:34:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-07-22 22:34:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 22:34:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:34:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:34:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 22:34:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:34:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:34:21,112 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 22:34:21,223 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:34:21,225 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:34:21,396 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:34:21,396 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 22:34:21,568 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 22:34:21,569 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 22:34:21,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:21 BoogieIcfgContainer [2024-07-22 22:34:21,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 22:34:21,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 22:34:21,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 22:34:21,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 22:34:21,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:18" (1/4) ... [2024-07-22 22:34:21,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ba27b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:34:21, skipping insertion in model container [2024-07-22 22:34:21,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:34:20" (2/4) ... [2024-07-22 22:34:21,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ba27b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:34:21, skipping insertion in model container [2024-07-22 22:34:21,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:20" (3/4) ... [2024-07-22 22:34:21,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ba27b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:34:21, skipping insertion in model container [2024-07-22 22:34:21,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:21" (4/4) ... [2024-07-22 22:34:21,578 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-07-22 22:34:21,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 22:34:21,593 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-22 22:34:21,593 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 22:34:21,648 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 22:34:21,693 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:34:21,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 22:34:21,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:34:21,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 22:34:21,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 22:34:21,866 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 22:34:21,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 22:34:21,882 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=PARTIAL_ORDER_FA, 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;@67b870b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:34:21,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 22:34:22,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:22,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 650188091, now seen corresponding path program 1 times [2024-07-22 22:34:22,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:22,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996669859] [2024-07-22 22:34:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:22,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:34:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:22,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996669859] [2024-07-22 22:34:22,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996669859] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:22,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:22,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 22:34:22,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798669524] [2024-07-22 22:34:22,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:22,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 22:34:22,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:22,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 22:34:22,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 22:34:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:22,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:22,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-07-22 22:34:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:22,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 22:34:22,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:22,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash 416384017, now seen corresponding path program 1 times [2024-07-22 22:34:22,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:22,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918060697] [2024-07-22 22:34:22,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:22,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:34:22,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:22,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918060697] [2024-07-22 22:34:22,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918060697] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:22,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:22,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 22:34:22,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035033494] [2024-07-22 22:34:22,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:22,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 22:34:22,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:22,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 22:34:22,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 22:34:22,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:22,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-07-22 22:34:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 22:34:23,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:23,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1675998942, now seen corresponding path program 1 times [2024-07-22 22:34:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:23,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105199256] [2024-07-22 22:34:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:34:23,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:23,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105199256] [2024-07-22 22:34:23,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105199256] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:23,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:23,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 22:34:23,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322421584] [2024-07-22 22:34:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:23,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 22:34:23,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 22:34:23,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 22:34:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:23,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:23,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-07-22 22:34:23,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:34:23,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 22:34:23,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:23,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:23,391 INFO L85 PathProgramCache]: Analyzing trace with hash -378144516, now seen corresponding path program 1 times [2024-07-22 22:34:23,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:23,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484592485] [2024-07-22 22:34:23,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:34:23,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:23,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484592485] [2024-07-22 22:34:23,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484592485] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:23,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 22:34:23,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975984827] [2024-07-22 22:34:23,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:23,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 22:34:23,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 22:34:23,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 22:34:23,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:23,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:23,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-07-22 22:34:23,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:34:23,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:34:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:23,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-22 22:34:23,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-22 22:34:23,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-22 22:34:23,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 22:34:23,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 22:34:23,709 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-07-22 22:34:23,711 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 22:34:23,712 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 22:34:23,714 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 22:34:23,714 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 22:34:23,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:34:23 BasicIcfg [2024-07-22 22:34:23,715 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 22:34:23,715 INFO L158 Benchmark]: Toolchain (without parser) took 3377.08ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 94.0MB in the beginning and 161.8MB in the end (delta: -67.8MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,718 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:34:23,719 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:34:23,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.04ms. Allocated memory is still 134.2MB. Free memory was 94.0MB in the beginning and 66.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.16ms. Allocated memory is still 134.2MB. Free memory was 66.5MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,721 INFO L158 Benchmark]: Boogie Preprocessor took 22.59ms. Allocated memory is still 134.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,721 INFO L158 Benchmark]: RCFGBuilder took 597.62ms. Allocated memory is still 134.2MB. Free memory was 62.5MB in the beginning and 73.2MB in the end (delta: -10.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,722 INFO L158 Benchmark]: TraceAbstraction took 2143.56ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 72.5MB in the beginning and 161.8MB in the end (delta: -89.3MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-07-22 22:34:23,723 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 0.20ms. Allocated memory is still 134.2MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.04ms. Allocated memory is still 134.2MB. Free memory was 94.0MB in the beginning and 66.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.16ms. Allocated memory is still 134.2MB. Free memory was 66.5MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.59ms. Allocated memory is still 134.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.62ms. Allocated memory is still 134.2MB. Free memory was 62.5MB in the beginning and 73.2MB in the end (delta: -10.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2143.56ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 72.5MB in the beginning and 161.8MB in the end (delta: -89.3MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1013, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 21, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, independent: 431, independent conditional: 2, independent unconditional: 429, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 64, independent conditional: 2, independent unconditional: 62, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 64, independent conditional: 2, independent unconditional: 62, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, independent: 292, independent conditional: 5, independent unconditional: 287, dependent: 97, dependent conditional: 16, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 511, independent conditional: 4, independent unconditional: 507, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 464, unknown conditional: 7, unknown unconditional: 457] , Statistics on independence cache: Total cache size (in pairs): 464, Positive cache size: 431, Positive conditional cache size: 2, Positive unconditional cache size: 429, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 3, Independence queries for same thread: 32 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 183, Number of trivial persistent sets: 183, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 454, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1013, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 21, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, independent: 431, independent conditional: 2, independent unconditional: 429, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 64, independent conditional: 2, independent unconditional: 62, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 64, independent conditional: 2, independent unconditional: 62, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, independent: 292, independent conditional: 5, independent unconditional: 287, dependent: 97, dependent conditional: 16, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 511, independent conditional: 4, independent unconditional: 507, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 464, unknown conditional: 7, unknown unconditional: 457] , Statistics on independence cache: Total cache size (in pairs): 464, Positive cache size: 431, Positive conditional cache size: 2, Positive unconditional cache size: 429, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 3, Independence queries for same thread: 32 - PositiveResult [Line: 721]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 0.6s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 22:34:23,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 22:34:23,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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