./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_37-traces-ex-4_true.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/goblint-regression/13-privatized_37-traces-ex-4_true.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_37-traces-ex-4_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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:34:58,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:58,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:34:58,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:58,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:58,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:58,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:58,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:58,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:58,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:58,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:58,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:58,908 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:58,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:58,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:58,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:58,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:34:58,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:58,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:58,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:58,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:58,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:58,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:58,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:58,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:58,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:58,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:58,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:58,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:58,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:58,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:58,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:58,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:58,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:58,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:34:58,916 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:58,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:34:58,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:58,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:58,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:58,919 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:58,919 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:58,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:59,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:59,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:59,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:59,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:59,154 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:59,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2024-08-22 19:35:00,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:35:00,921 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:35:00,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2024-08-22 19:35:00,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a751bec26/3dcde6dbbfc24039902f89e72b3c20fb/FLAG7c780dbe2 [2024-08-22 19:35:00,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a751bec26/3dcde6dbbfc24039902f89e72b3c20fb [2024-08-22 19:35:00,975 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:35:00,976 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:35:00,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_37-traces-ex-4_true.yml/witness.yml [2024-08-22 19:35:01,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:35:01,161 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:35:01,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:35:01,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:35:01,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:35:01,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:35:00" (1/2) ... [2024-08-22 19:35:01,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db614d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:35:01, skipping insertion in model container [2024-08-22 19:35:01,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:35:00" (1/2) ... [2024-08-22 19:35:01,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ce34a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:35:01, skipping insertion in model container [2024-08-22 19:35:01,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:35:01" (2/2) ... [2024-08-22 19:35:01,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db614d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01, skipping insertion in model container [2024-08-22 19:35:01,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:35:01" (2/2) ... [2024-08-22 19:35:01,178 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:35:01,231 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:35:01,235 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-08-22 19:35:01,236 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-08-22 19:35:01,236 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] A_locked = 1; [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] A_locked = 1; [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] B_locked = 0; [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-08-22 19:35:01,236 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-08-22 19:35:01,237 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-08-22 19:35:01,237 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-08-22 19:35:01,237 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] A_locked = 0; [2024-08-22 19:35:01,237 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-08-22 19:35:01,237 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-08-22 19:35:01,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:35:01,544 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_37-traces-ex-4_true.i[1088,1101] [2024-08-22 19:35:01,750 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:35:01,774 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 19:35:01,832 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_37-traces-ex-4_true.i[1088,1101] 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 [2024-08-22 19:35:01,868 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:35:01,928 INFO L206 MainTranslator]: Completed translation [2024-08-22 19:35:01,929 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01 WrapperNode [2024-08-22 19:35:01,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:35:01,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 19:35:01,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 19:35:01,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 19:35:01,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:01,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:01,998 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-08-22 19:35:01,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 19:35:02,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 19:35:02,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 19:35:02,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 19:35:02,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 19:35:02,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 19:35:02,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 19:35:02,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 19:35:02,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (1/1) ... [2024-08-22 19:35:02,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:35:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:35:02,053 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) [2024-08-22 19:35:02,059 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 [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-22 19:35:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-22 19:35:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 19:35:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 19:35:02,093 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 19:35:02,203 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 19:35:02,205 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 19:35:02,301 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 19:35:02,301 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 19:35:02,385 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 19:35:02,385 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-22 19:35:02,386 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:35:02 BoogieIcfgContainer [2024-08-22 19:35:02,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 19:35:02,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 19:35:02,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 19:35:02,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 19:35:02,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:35:00" (1/4) ... [2024-08-22 19:35:02,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c96b839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:35:02, skipping insertion in model container [2024-08-22 19:35:02,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:35:01" (2/4) ... [2024-08-22 19:35:02,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c96b839 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:35:02, skipping insertion in model container [2024-08-22 19:35:02,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:35:01" (3/4) ... [2024-08-22 19:35:02,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c96b839 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:35:02, skipping insertion in model container [2024-08-22 19:35:02,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:35:02" (4/4) ... [2024-08-22 19:35:02,393 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_37-traces-ex-4_true.i [2024-08-22 19:35:02,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 19:35:02,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-22 19:35:02,406 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 19:35:02,428 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 19:35:02,457 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:35:02,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:35:02,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:35:02,459 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) [2024-08-22 19:35:02,460 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 [2024-08-22 19:35:02,484 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:35:02,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 19:35:02,498 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;@34164e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:35:02,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-22 19:35:02,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 19:35:02,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:35:02,588 INFO L85 PathProgramCache]: Analyzing trace with hash 625337923, now seen corresponding path program 1 times [2024-08-22 19:35:02,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:35:02,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864137792] [2024-08-22 19:35:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:35:02,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:35:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:35:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:35:02,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:35:02,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864137792] [2024-08-22 19:35:02,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864137792] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:35:02,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:35:02,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:35:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41984784] [2024-08-22 19:35:02,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:35:02,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:35:02,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:35:02,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:35:02,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:35:02,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:35:02,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:35:02,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-08-22 19:35:02,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:35:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 19:35:03,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 19:35:03,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 19:35:03,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:35:03,028 INFO L85 PathProgramCache]: Analyzing trace with hash -256581867, now seen corresponding path program 2 times [2024-08-22 19:35:03,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:35:03,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793592624] [2024-08-22 19:35:03,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:35:03,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:35:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:35:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:35:03,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:35:03,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793592624] [2024-08-22 19:35:03,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793592624] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:35:03,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:35:03,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 19:35:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159583329] [2024-08-22 19:35:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:35:03,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:35:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:35:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:35:03,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:35:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:35:03,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:35:03,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-08-22 19:35:03,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 19:35:03,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:35:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 19:35:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 19:35:03,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-22 19:35:03,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-22 19:35:03,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 19:35:03,224 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2024-08-22 19:35:03,226 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 19:35:03,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 19:35:03,228 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:35:03 BasicIcfg [2024-08-22 19:35:03,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 19:35:03,229 INFO L158 Benchmark]: Toolchain (without parser) took 2068.32ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 81.2MB in the beginning and 175.9MB in the end (delta: -94.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,230 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:35:03,230 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:35:03,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.97ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 125.7MB in the end (delta: -44.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.19ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 125.7MB in the beginning and 246.5MB in the end (delta: -120.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,231 INFO L158 Benchmark]: Boogie Preprocessor took 26.79ms. Allocated memory is still 276.8MB. Free memory was 245.8MB in the beginning and 244.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,231 INFO L158 Benchmark]: RCFGBuilder took 359.18ms. Allocated memory is still 276.8MB. Free memory was 244.7MB in the beginning and 217.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,232 INFO L158 Benchmark]: TraceAbstraction took 841.13ms. Allocated memory is still 276.8MB. Free memory was 216.4MB in the beginning and 175.9MB in the end (delta: 40.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-08-22 19:35:03,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.97ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 125.7MB in the end (delta: -44.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.19ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 125.7MB in the beginning and 246.5MB in the end (delta: -120.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.79ms. Allocated memory is still 276.8MB. Free memory was 245.8MB in the beginning and 244.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.18ms. Allocated memory is still 276.8MB. Free memory was 244.7MB in the beginning and 217.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 841.13ms. Allocated memory is still 276.8MB. Free memory was 216.4MB in the beginning and 175.9MB in the end (delta: 40.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 5, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 232, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 232, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 317, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 232, unknown conditional: 0, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 64, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 232, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 312, independent: 289, independent conditional: 75, independent unconditional: 214, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 5, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 317, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 232, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 232, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 317, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 232, unknown conditional: 0, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 1, Independence queries for same thread: 0 - 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, 46 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, 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: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-22 19:35:03,259 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 [2024-08-22 19:35:03,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE