./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_30-traces-oplus-vs-meet_true.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 17:56:19,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 17:56:19,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 17:56:19,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 17:56:19,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 17:56:19,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 17:56:19,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 17:56:19,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 17:56:19,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 17:56:19,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 17:56:19,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 17:56:19,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 17:56:19,956 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 17:56:19,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 17:56:19,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 17:56:19,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 17:56:19,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 17:56:19,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 17:56:19,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 17:56:19,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 17:56:19,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 17:56:19,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 17:56:19,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 17:56:19,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 17:56:19,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 17:56:19,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 17:56:19,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 17:56:19,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 17:56:19,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 17:56:19,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 17:56:19,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 17:56:19,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 17:56:19,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 17:56:19,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 17:56:19,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 17:56:19,963 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 17:56:19,964 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 17:56:19,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 17:56:20,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 17:56:20,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 17:56:20,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 17:56:20,174 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 17:56:20,175 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 17:56:20,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml [2024-07-17 17:56:20,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 17:56:20,297 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 17:56:20,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-17 17:56:21,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 17:56:21,507 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 17:56:21,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-17 17:56:21,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1e6ceaa63/dbd45f2b743e4252a55376b28e2cfaf8/FLAG9df0c0397 [2024-07-17 17:56:21,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1e6ceaa63/dbd45f2b743e4252a55376b28e2cfaf8 [2024-07-17 17:56:21,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 17:56:21,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 17:56:21,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 17:56:21,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 17:56:21,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 17:56:21,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:56:20" (1/2) ... [2024-07-17 17:56:21,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dd4e64 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 05:56:21, skipping insertion in model container [2024-07-17 17:56:21,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:56:20" (1/2) ... [2024-07-17 17:56:21,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@682252ec and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 05:56:21, skipping insertion in model container [2024-07-17 17:56:21,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:56:21" (2/2) ... [2024-07-17 17:56:21,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dd4e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:21, skipping insertion in model container [2024-07-17 17:56:21,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:56:21" (2/2) ... [2024-07-17 17:56:21,545 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 17:56:21,575 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 17:56:21,576 INFO L97 edCorrectnessWitness]: Location invariant before [L699-L699] ((! multithreaded || (g == 0 || g == 5)) && (! multithreaded || (B_locked || (g == 0 || g == 5)))) && (! multithreaded || (A_locked || g == 0)) [2024-07-17 17:56:21,577 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-17 17:56:21,577 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-17 17:56:21,577 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 17:56:21,577 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-07-17 17:56:21,577 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] A_locked = 1; [2024-07-17 17:56:21,577 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 0; [2024-07-17 17:56:21,577 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 0; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] A_locked = 1; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] A_locked = 0; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 0; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] multithreaded = 1; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-07-17 17:56:21,578 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] A_locked = 0; [2024-07-17 17:56:21,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 17:56:21,788 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2024-07-17 17:56:21,902 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 17:56:21,911 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 17:56:21,943 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] 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 [2024-07-17 17:56:21,975 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 17:56:22,008 INFO L206 MainTranslator]: Completed translation [2024-07-17 17:56:22,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22 WrapperNode [2024-07-17 17:56:22,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 17:56:22,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 17:56:22,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 17:56:22,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 17:56:22,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,043 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-07-17 17:56:22,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 17:56:22,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 17:56:22,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 17:56:22,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 17:56:22,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 17:56:22,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 17:56:22,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 17:56:22,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 17:56:22,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (1/1) ... [2024-07-17 17:56:22,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 17:56:22,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 17:56:22,112 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) [2024-07-17 17:56:22,130 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 [2024-07-17 17:56:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 17:56:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 17:56:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-17 17:56:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-17 17:56:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 17:56:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 17:56:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 17:56:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 17:56:22,142 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 17:56:22,225 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 17:56:22,227 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 17:56:22,360 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 17:56:22,360 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 17:56:22,441 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 17:56:22,441 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 17:56:22,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:56:22 BoogieIcfgContainer [2024-07-17 17:56:22,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 17:56:22,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 17:56:22,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 17:56:22,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 17:56:22,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 05:56:20" (1/4) ... [2024-07-17 17:56:22,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1b1e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 05:56:22, skipping insertion in model container [2024-07-17 17:56:22,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:56:21" (2/4) ... [2024-07-17 17:56:22,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:56:22, skipping insertion in model container [2024-07-17 17:56:22,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:22" (3/4) ... [2024-07-17 17:56:22,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:56:22, skipping insertion in model container [2024-07-17 17:56:22,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:56:22" (4/4) ... [2024-07-17 17:56:22,448 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-17 17:56:22,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 17:56:22,462 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-17 17:56:22,462 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 17:56:22,511 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-07-17 17:56:22,551 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 17:56:22,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 17:56:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 17:56:22,554 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) [2024-07-17 17:56:22,568 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 [2024-07-17 17:56:22,600 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 17:56:22,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 17:56:22,616 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;@35d2aa56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 17:56:22,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 17:56:22,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:22,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash 245798, now seen corresponding path program 1 times [2024-07-17 17:56:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26799868] [2024-07-17 17:56:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:23,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:23,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26799868] [2024-07-17 17:56:23,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26799868] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:23,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:23,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 17:56:23,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802838618] [2024-07-17 17:56:23,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:23,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 17:56:23,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:23,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 17:56:23,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 17:56:23,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:23,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-07-17 17:56:23,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 17:56:23,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:23,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:23,207 INFO L85 PathProgramCache]: Analyzing trace with hash 793164315, now seen corresponding path program 1 times [2024-07-17 17:56:23,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:23,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804175579] [2024-07-17 17:56:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:23,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:23,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804175579] [2024-07-17 17:56:23,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804175579] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:23,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:23,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 17:56:23,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380621254] [2024-07-17 17:56:23,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:23,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 17:56:23,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:23,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 17:56:23,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 17:56:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:23,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-07-17 17:56:23,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 17:56:23,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:23,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1747794449, now seen corresponding path program 1 times [2024-07-17 17:56:23,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073381800] [2024-07-17 17:56:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:23,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:23,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073381800] [2024-07-17 17:56:23,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073381800] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:23,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:23,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 17:56:23,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274438641] [2024-07-17 17:56:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:23,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 17:56:23,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 17:56:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-17 17:56:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:23,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-07-17 17:56:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:23,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 17:56:23,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:23,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2029226025, now seen corresponding path program 1 times [2024-07-17 17:56:23,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:23,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101177216] [2024-07-17 17:56:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:23,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:23,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101177216] [2024-07-17 17:56:23,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101177216] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:23,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:23,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 17:56:23,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529950548] [2024-07-17 17:56:23,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:23,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 17:56:23,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:23,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 17:56:23,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-17 17:56:23,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:23,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-07-17 17:56:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 17:56:23,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-17 17:56:23,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:23,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 53199365, now seen corresponding path program 2 times [2024-07-17 17:56:23,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:23,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303056342] [2024-07-17 17:56:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:23,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:23,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:23,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303056342] [2024-07-17 17:56:23,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303056342] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:23,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:23,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 17:56:23,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877029124] [2024-07-17 17:56:23,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:23,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 17:56:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:23,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 17:56:23,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 17:56:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:23,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-07-17 17:56:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 17:56:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 17:56:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:23,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-17 17:56:23,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-17 17:56:23,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 17:56:23,916 INFO L85 PathProgramCache]: Analyzing trace with hash 787140940, now seen corresponding path program 1 times [2024-07-17 17:56:23,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 17:56:23,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286326871] [2024-07-17 17:56:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 17:56:23,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 17:56:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 17:56:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 17:56:24,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 17:56:24,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286326871] [2024-07-17 17:56:24,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286326871] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 17:56:24,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 17:56:24,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-17 17:56:24,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772200054] [2024-07-17 17:56:24,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 17:56:24,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 17:56:24,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 17:56:24,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 17:56:24,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-17 17:56:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:24,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 17:56:24,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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) [2024-07-17 17:56:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:24,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 17:56:24,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 17:56:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 17:56:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 17:56:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 17:56:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 17:56:24,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-07-17 17:56:24,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 17:56:24,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-07-17 17:56:24,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 17:56:24,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-17 17:56:24,114 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-07-17 17:56:24,116 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 17:56:24,116 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 17:56:24,118 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-17 17:56:24,118 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-17 17:56:24,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:56:24 BasicIcfg [2024-07-17 17:56:24,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 17:56:24,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 17:56:24,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 17:56:24,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 17:56:24,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:56:22" (4/5) ... [2024-07-17 17:56:24,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 17:56:24,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-07-17 17:56:24,126 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-07-17 17:56:24,126 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-07-17 17:56:24,126 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-07-17 17:56:24,126 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 17:56:24,127 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 17:56:24,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i-witness.graphml [2024-07-17 17:56:24,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i-witness.yml [2024-07-17 17:56:24,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 17:56:24,161 INFO L158 Benchmark]: Toolchain (without parser) took 2627.12ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 66.1MB in the beginning and 98.7MB in the end (delta: -32.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,161 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 17:56:24,161 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 17:56:24,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.37ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 65.9MB in the beginning and 141.0MB in the end (delta: -75.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.96ms. Allocated memory is still 188.7MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,162 INFO L158 Benchmark]: Boogie Preprocessor took 16.52ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 137.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,162 INFO L158 Benchmark]: RCFGBuilder took 380.19ms. Allocated memory is still 188.7MB. Free memory was 137.8MB in the beginning and 110.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,162 INFO L158 Benchmark]: TraceAbstraction took 1675.13ms. Allocated memory is still 188.7MB. Free memory was 109.5MB in the beginning and 101.9MB in the end (delta: 7.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,162 INFO L158 Benchmark]: Witness Printer took 41.37ms. Allocated memory is still 188.7MB. Free memory was 101.9MB in the beginning and 98.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 17:56:24,164 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 0.14ms. Allocated memory is still 142.6MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.29ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.37ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 65.9MB in the beginning and 141.0MB in the end (delta: -75.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.96ms. Allocated memory is still 188.7MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.52ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 137.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.19ms. Allocated memory is still 188.7MB. Free memory was 137.8MB in the beginning and 110.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1675.13ms. Allocated memory is still 188.7MB. Free memory was 109.5MB in the beginning and 101.9MB in the end (delta: 7.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 41.37ms. Allocated memory is still 188.7MB. Free memory was 101.9MB in the beginning and 98.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 81, dependent conditional: 55, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 38, dependent conditional: 12, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 518, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 38, dependent conditional: 12, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 35, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 7, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 7, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, independent: 294, independent conditional: 3, independent unconditional: 291, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 326, independent: 254, independent conditional: 0, independent unconditional: 254, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 40, independent conditional: 3, independent unconditional: 37, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 40, independent conditional: 3, independent unconditional: 37, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, independent: 90, independent conditional: 6, independent unconditional: 85, dependent: 93, dependent conditional: 9, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 559, independent: 186, independent conditional: 3, independent unconditional: 183, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 326, unknown conditional: 8, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 294, Positive conditional cache size: 3, Positive unconditional cache size: 291, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 4, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 92, Number of trivial persistent sets: 92, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 315, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 81, dependent conditional: 55, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 38, dependent conditional: 12, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 518, independent: 480, independent conditional: 191, independent unconditional: 289, dependent: 38, dependent conditional: 12, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 35, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 7, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 559, independent: 480, independent conditional: 6, independent unconditional: 474, dependent: 79, dependent conditional: 7, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, independent: 294, independent conditional: 3, independent unconditional: 291, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 326, independent: 254, independent conditional: 0, independent unconditional: 254, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 40, independent conditional: 3, independent unconditional: 37, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 40, independent conditional: 3, independent unconditional: 37, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, independent: 90, independent conditional: 6, independent unconditional: 85, dependent: 93, dependent conditional: 9, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 559, independent: 186, independent conditional: 3, independent unconditional: 183, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 326, unknown conditional: 8, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 294, Positive conditional cache size: 3, Positive unconditional cache size: 291, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 4, Independence queries for same thread: 43 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, 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: 24, 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, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 17:56:24,183 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 [2024-07-17 17:56:24,395 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