./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.2024-08-08_07-59-58.files/mutex-meet-ghost/time_var_mutex.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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.2024-08-08_07-59-58.files/mutex-meet-ghost/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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 00:06:37,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 00:06:37,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 00:06:37,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 00:06:37,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 00:06:37,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 00:06:37,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 00:06:37,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 00:06:37,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 00:06:37,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 00:06:37,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 00:06:37,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 00:06:37,979 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 00:06:37,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 00:06:37,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 00:06:37,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 00:06:37,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 00:06:37,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 00:06:37,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 00:06:37,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 00:06:37,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 00:06:37,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 00:06:37,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 00:06:37,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 00:06:37,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 00:06:37,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 00:06:37,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 00:06:37,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 00:06:37,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 00:06:37,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 00:06:37,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 00:06:37,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 00:06:37,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 00:06:37,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 00:06:37,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 00:06:37,990 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 00:06:37,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 00:06:37,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 00:06:37,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 00:06:37,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 00:06:37,993 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 00:06:37,994 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 00:06:38,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 00:06:38,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 00:06:38,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 00:06:38,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 00:06:38,306 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 00:06:38,307 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 00:06:38,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/time_var_mutex.yml/witness.yml [2024-08-23 00:06:38,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 00:06:38,466 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 00:06:38,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-08-23 00:06:39,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 00:06:40,236 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 00:06:40,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-08-23 00:06:40,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35f4ff0b4/53fd264abe28483ea458a97fd52d8d24/FLAGa58522d3d [2024-08-23 00:06:40,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35f4ff0b4/53fd264abe28483ea458a97fd52d8d24 [2024-08-23 00:06:40,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 00:06:40,264 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 00:06:40,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 00:06:40,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 00:06:40,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 00:06:40,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 12:06:38" (1/2) ... [2024-08-23 00:06:40,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48db8fa2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:40, skipping insertion in model container [2024-08-23 00:06:40,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 12:06:38" (1/2) ... [2024-08-23 00:06:40,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@475b542f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:40, skipping insertion in model container [2024-08-23 00:06:40,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:06:40" (2/2) ... [2024-08-23 00:06:40,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48db8fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40, skipping insertion in model container [2024-08-23 00:06:40,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:06:40" (2/2) ... [2024-08-23 00:06:40,274 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 00:06:40,314 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 00:06:40,315 INFO L97 edCorrectnessWitness]: Location invariant before [L721-L721] (((((! multithreaded || (inode == 0 || inode == 1)) && (! multithreaded || (m_inode_locked || ((busy == 0 || busy == 1) && (inode == 0 || inode == 1))))) && (! multithreaded || (block == 0 || block == 1))) && (! multithreaded || (m_busy_locked || (busy == 0 || busy == 1)))) && (! multithreaded || (m_inode_locked || ((0LL - (long long )busy) + (long long )inode >= 0LL && (long long )busy - (long long )inode >= 0LL)))) && (! multithreaded || (busy == 0 || busy == 1)) [2024-08-23 00:06:40,315 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] (((((! multithreaded || (inode == 0 || inode == 1)) && (! multithreaded || (m_inode_locked || ((busy == 0 || busy == 1) && (inode == 0 || inode == 1))))) && (! multithreaded || (block == 0 || block == 1))) && (! multithreaded || (m_busy_locked || (busy == 0 || busy == 1)))) && (! multithreaded || (m_inode_locked || ((0LL - (long long )busy) + (long long )inode >= 0LL && (long long )busy - (long long )inode >= 0LL)))) && (! multithreaded || (busy == 0 || busy == 1)) [2024-08-23 00:06:40,316 INFO L103 edCorrectnessWitness]: ghost_variable m_inode_locked = 0 [2024-08-23 00:06:40,316 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 00:06:40,316 INFO L103 edCorrectnessWitness]: ghost_variable m_busy_locked = 0 [2024-08-23 00:06:40,316 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] m_busy_locked = 1; [2024-08-23 00:06:40,316 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] m_busy_locked = 1; [2024-08-23 00:06:40,317 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] m_busy_locked = 0; [2024-08-23 00:06:40,317 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] m_inode_locked = 0; [2024-08-23 00:06:40,317 INFO L106 edCorrectnessWitness]: ghost_update [L712-L712] m_busy_locked = 0; [2024-08-23 00:06:40,317 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] m_inode_locked = 1; [2024-08-23 00:06:40,317 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] multithreaded = 1; [2024-08-23 00:06:40,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 00:06:40,714 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 00:06:40,728 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 [2024-08-23 00:06:40,835 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 00:06:40,875 INFO L206 MainTranslator]: Completed translation [2024-08-23 00:06:40,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40 WrapperNode [2024-08-23 00:06:40,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 00:06:40,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 00:06:40,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 00:06:40,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 00:06:40,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,948 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-08-23 00:06:40,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 00:06:40,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 00:06:40,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 00:06:40,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 00:06:40,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:40,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 00:06:41,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 00:06:41,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 00:06:41,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 00:06:41,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (1/1) ... [2024-08-23 00:06:41,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 00:06:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 00:06:41,037 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) [2024-08-23 00:06:41,042 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 [2024-08-23 00:06:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-08-23 00:06:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-08-23 00:06:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-08-23 00:06:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-08-23 00:06:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-23 00:06:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 00:06:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 00:06:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-23 00:06:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 00:06:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 00:06:41,091 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 00:06:41,249 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 00:06:41,253 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 00:06:41,529 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 00:06:41,529 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 00:06:41,742 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 00:06:41,743 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-23 00:06:41,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:06:41 BoogieIcfgContainer [2024-08-23 00:06:41,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 00:06:41,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 00:06:41,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 00:06:41,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 00:06:41,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 12:06:38" (1/4) ... [2024-08-23 00:06:41,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ea2b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 12:06:41, skipping insertion in model container [2024-08-23 00:06:41,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 12:06:40" (2/4) ... [2024-08-23 00:06:41,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ea2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 12:06:41, skipping insertion in model container [2024-08-23 00:06:41,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:40" (3/4) ... [2024-08-23 00:06:41,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ea2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 12:06:41, skipping insertion in model container [2024-08-23 00:06:41,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:06:41" (4/4) ... [2024-08-23 00:06:41,757 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-08-23 00:06:41,811 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 00:06:41,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 00:06:41,812 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 00:06:41,865 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-23 00:06:41,913 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 00:06:41,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 00:06:41,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 00:06:41,916 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) [2024-08-23 00:06:41,918 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 [2024-08-23 00:06:41,955 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 00:06:41,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 00:06:41,976 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;@7140f4f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 00:06:41,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 00:06:42,185 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)] === [2024-08-23 00:06:42,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 00:06:42,190 INFO L85 PathProgramCache]: Analyzing trace with hash 650188091, now seen corresponding path program 1 times [2024-08-23 00:06:42,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 00:06:42,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126100468] [2024-08-23 00:06:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 00:06:42,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 00:06:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 00:06:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 00:06:42,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 00:06:42,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126100468] [2024-08-23 00:06:42,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126100468] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 00:06:42,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 00:06:42,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 00:06:42,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519881516] [2024-08-23 00:06:42,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 00:06:42,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 00:06:42,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 00:06:42,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 00:06:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-23 00:06:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:42,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 00:06:42,791 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) [2024-08-23 00:06:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 00:06:43,046 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)] === [2024-08-23 00:06:43,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 00:06:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 416384017, now seen corresponding path program 1 times [2024-08-23 00:06:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 00:06:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325231440] [2024-08-23 00:06:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 00:06:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 00:06:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 00:06:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 00:06:43,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 00:06:43,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325231440] [2024-08-23 00:06:43,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325231440] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 00:06:43,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 00:06:43,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 00:06:43,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954040282] [2024-08-23 00:06:43,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 00:06:43,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 00:06:43,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 00:06:43,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 00:06:43,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-23 00:06:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:43,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 00:06:43,195 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) [2024-08-23 00:06:43,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 00:06:43,383 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)] === [2024-08-23 00:06:43,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 00:06:43,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1675998942, now seen corresponding path program 1 times [2024-08-23 00:06:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 00:06:43,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127237266] [2024-08-23 00:06:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 00:06:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 00:06:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 00:06:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 00:06:43,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 00:06:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127237266] [2024-08-23 00:06:43,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127237266] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 00:06:43,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 00:06:43,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 00:06:43,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051042463] [2024-08-23 00:06:43,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 00:06:43,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 00:06:43,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 00:06:43,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 00:06:43,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-23 00:06:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:43,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 00:06:43,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-08-23 00:06:43,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 00:06:43,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 00:06:43,890 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)] === [2024-08-23 00:06:43,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 00:06:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash -378144516, now seen corresponding path program 1 times [2024-08-23 00:06:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 00:06:43,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605837581] [2024-08-23 00:06:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 00:06:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 00:06:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 00:06:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 00:06:44,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 00:06:44,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605837581] [2024-08-23 00:06:44,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605837581] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 00:06:44,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 00:06:44,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 00:06:44,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320106030] [2024-08-23 00:06:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 00:06:44,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 00:06:44,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 00:06:44,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 00:06:44,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 00:06:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:44,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 00:06:44,029 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) [2024-08-23 00:06:44,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:44,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:44,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 00:06:44,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 00:06:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 00:06:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 00:06:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 00:06:44,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-23 00:06:44,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-23 00:06:44,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-23 00:06:44,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-23 00:06:44,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-23 00:06:44,288 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-08-23 00:06:44,291 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 00:06:44,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 00:06:44,293 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-23 00:06:44,294 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-23 00:06:44,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 12:06:44 BasicIcfg [2024-08-23 00:06:44,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 00:06:44,296 INFO L158 Benchmark]: Toolchain (without parser) took 4031.52ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 113.1MB in the beginning and 187.5MB in the end (delta: -74.4MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,300 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 00:06:44,300 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 174.1MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 00:06:44,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.99ms. Allocated memory is still 174.1MB. Free memory was 113.1MB in the beginning and 85.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.33ms. Allocated memory is still 174.1MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,301 INFO L158 Benchmark]: Boogie Preprocessor took 50.74ms. Allocated memory is still 174.1MB. Free memory was 83.8MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,301 INFO L158 Benchmark]: RCFGBuilder took 743.86ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 138.2MB in the end (delta: -56.1MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,301 INFO L158 Benchmark]: TraceAbstraction took 2546.56ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 137.0MB in the beginning and 187.5MB in the end (delta: -50.5MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2024-08-23 00:06:44,303 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 174.1MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.90ms. Allocated memory is still 174.1MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.99ms. Allocated memory is still 174.1MB. Free memory was 113.1MB in the beginning and 85.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.33ms. Allocated memory is still 174.1MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.74ms. Allocated memory is still 174.1MB. Free memory was 83.8MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.86ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 138.2MB in the end (delta: -56.1MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2546.56ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 137.0MB in the beginning and 187.5MB in the end (delta: -50.5MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1003, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 79, dependent conditional: 43, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 22, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 6, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 6, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 460, independent: 416, independent conditional: 6, independent unconditional: 410, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 460, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, independent: 284, independent conditional: 28, independent unconditional: 257, dependent: 190, dependent conditional: 27, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 508, independent conditional: 9, independent unconditional: 499, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 460, unknown conditional: 12, unknown unconditional: 448] , Statistics on independence cache: Total cache size (in pairs): 460, Positive cache size: 416, Positive conditional cache size: 6, Positive unconditional cache size: 410, Negative cache size: 44, Negative conditional cache size: 6, Negative unconditional cache size: 38, 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: 0.5s, Number of persistent set computation: 183, Number of trivial persistent sets: 183, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 444, independent: 408, independent conditional: 0, independent unconditional: 408, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1003, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 79, dependent conditional: 43, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971, independent: 924, independent conditional: 516, independent unconditional: 408, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 22, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 6, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 924, independent conditional: 15, independent unconditional: 909, dependent: 84, dependent conditional: 6, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 460, independent: 416, independent conditional: 6, independent unconditional: 410, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 460, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 44, dependent conditional: 6, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, independent: 284, independent conditional: 28, independent unconditional: 257, dependent: 190, dependent conditional: 27, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 508, independent conditional: 9, independent unconditional: 499, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 460, unknown conditional: 12, unknown unconditional: 448] , Statistics on independence cache: Total cache size (in pairs): 460, Positive cache size: 416, Positive conditional cache size: 6, Positive unconditional cache size: 410, Negative cache size: 44, Negative conditional cache size: 6, Negative unconditional cache size: 38, 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: 2.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 19, 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, 0.8s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 325 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! [2024-08-23 00:06:44,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-23 00:06:44,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE