./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_04-priv_multi_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_04-priv_multi_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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 22:35:53,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:35:53,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:35:53,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:35:53,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:35:53,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:35:53,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:35:53,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:35:53,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:35:53,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:35:53,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:35:53,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:35:53,737 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:35:53,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:35:53,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:35:53,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:35:53,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:35:53,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:35:53,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:35:53,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:35:53,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:35:53,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:35:53,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:35:53,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:35:53,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:35:53,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:35:53,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:35:53,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:35:53,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:35:53,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:35:53,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:35:53,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:35:53,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:35:53,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:35:53,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:35:53,744 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:35:53,745 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:35:53,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:35:53,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:35:53,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:35:53,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:35:53,990 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:35:54,003 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:35:54,004 INFO L431 ainManager$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_04-priv_multi_true.yml/witness.yml [2024-07-22 22:35:54,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:35:54,122 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:35:54,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-07-22 22:35:55,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:35:55,871 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:35:55,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-07-22 22:35:55,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc01b2269/38b09bd752be4a1586537fe78d3bced5/FLAGf18bbb565 [2024-07-22 22:35:55,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc01b2269/38b09bd752be4a1586537fe78d3bced5 [2024-07-22 22:35:55,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:35:55,908 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:35:55,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:35:55,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:35:55,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:35:55,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:35:54" (1/2) ... [2024-07-22 22:35:55,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a54aafd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:35:55, skipping insertion in model container [2024-07-22 22:35:55,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:35:54" (1/2) ... [2024-07-22 22:35:55,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38619d62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:35:55, skipping insertion in model container [2024-07-22 22:35:55,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:35:55" (2/2) ... [2024-07-22 22:35:55,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a54aafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:55, skipping insertion in model container [2024-07-22 22:35:55,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:35:55" (2/2) ... [2024-07-22 22:35:55,916 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:35:55,974 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:35:55,975 INFO L97 edCorrectnessWitness]: Location invariant before [L1203-L1203] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 22:35:55,975 INFO L97 edCorrectnessWitness]: Location invariant before [L1205-L1212] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 22:35:55,976 INFO L97 edCorrectnessWitness]: Location invariant before [L1204-L1204] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 22:35:55,976 INFO L103 edCorrectnessWitness]: ghost_variable mutex_A_locked = 0 [2024-07-22 22:35:55,976 INFO L103 edCorrectnessWitness]: ghost_variable mutex_B_locked = 0 [2024-07-22 22:35:55,976 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:35:55,977 INFO L106 edCorrectnessWitness]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-07-22 22:35:55,977 INFO L106 edCorrectnessWitness]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-07-22 22:35:55,977 INFO L106 edCorrectnessWitness]: ghost_update [L1202-L1202] multithreaded = 1; [2024-07-22 22:35:55,977 INFO L106 edCorrectnessWitness]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-07-22 22:35:55,978 INFO L106 edCorrectnessWitness]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-07-22 22:35:55,979 INFO L106 edCorrectnessWitness]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-07-22 22:35:55,979 INFO L106 edCorrectnessWitness]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-07-22 22:35:56,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:35:56,400 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:35:56,410 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 22:35:56,486 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:35:56,525 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:35:56,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56 WrapperNode [2024-07-22 22:35:56,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:35:56,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:35:56,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:35:56,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:35:56,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,576 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 118 [2024-07-22 22:35:56,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:35:56,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:35:56,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:35:56,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:35:56,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:35:56,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:35:56,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:35:56,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:35:56,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (1/1) ... [2024-07-22 22:35:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:35:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:35:56,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 22:35:56,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 22:35:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-07-22 22:35:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-07-22 22:35:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 22:35:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 22:35:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:35:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-07-22 22:35:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-07-22 22:35:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-07-22 22:35:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-07-22 22:35:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:35:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:35:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:35:56,701 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 22:35:56,883 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:35:56,885 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:35:57,089 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:35:57,089 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 22:35:57,229 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 22:35:57,229 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-22 22:35:57,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:35:57 BoogieIcfgContainer [2024-07-22 22:35:57,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 22:35:57,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 22:35:57,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 22:35:57,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 22:35:57,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:35:54" (1/4) ... [2024-07-22 22:35:57,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb11fa7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:35:57, skipping insertion in model container [2024-07-22 22:35:57,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:35:55" (2/4) ... [2024-07-22 22:35:57,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb11fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:35:57, skipping insertion in model container [2024-07-22 22:35:57,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:35:56" (3/4) ... [2024-07-22 22:35:57,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb11fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:35:57, skipping insertion in model container [2024-07-22 22:35:57,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:35:57" (4/4) ... [2024-07-22 22:35:57,242 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-07-22 22:35:57,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 22:35:57,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 22:35:57,255 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 22:35:57,294 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 22:35:57,354 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:35:57,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 22:35:57,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:35:57,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 22:35:57,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 22:35:57,413 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 22:35:57,439 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 22:35:57,448 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;@56cbbfc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:35:57,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-07-22 22:35:57,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 22:35:57,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:35:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash 145106952, now seen corresponding path program 1 times [2024-07-22 22:35:57,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:35:57,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406683265] [2024-07-22 22:35:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:35:57,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:35:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:35:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:35:57,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:35:57,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406683265] [2024-07-22 22:35:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406683265] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:35:57,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:35:57,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 22:35:57,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666273173] [2024-07-22 22:35:57,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:35:57,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 22:35:57,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:35:57,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 22:35:57,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 22:35:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:57,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:35:57,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 22:35:57,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:58,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 22:35:58,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 22:35:58,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:35:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1903136485, now seen corresponding path program 1 times [2024-07-22 22:35:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:35:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039440512] [2024-07-22 22:35:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:35:58,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:35:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:35:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:35:58,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:35:58,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039440512] [2024-07-22 22:35:58,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039440512] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:35:58,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:35:58,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 22:35:58,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010403404] [2024-07-22 22:35:58,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:35:58,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 22:35:58,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:35:58,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 22:35:58,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-22 22:35:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:58,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:35:58,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 22:35:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:35:58,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 22:35:58,824 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 22:35:58,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:35:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash -852428227, now seen corresponding path program 1 times [2024-07-22 22:35:58,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:35:58,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973153502] [2024-07-22 22:35:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:35:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:35:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:35:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 22:35:59,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:35:59,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973153502] [2024-07-22 22:35:59,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973153502] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:35:59,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:35:59,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 22:35:59,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863423964] [2024-07-22 22:35:59,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:35:59,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 22:35:59,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:35:59,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 22:35:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-22 22:35:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:59,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:35:59,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 22:35:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:35:59,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:35:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:35:59,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 22:35:59,311 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 22:35:59,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:35:59,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1349067539, now seen corresponding path program 2 times [2024-07-22 22:35:59,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:35:59,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294873332] [2024-07-22 22:35:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:35:59,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:35:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:35:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-07-22 22:35:59,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:35:59,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294873332] [2024-07-22 22:35:59,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294873332] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:35:59,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:35:59,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 22:35:59,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405279004] [2024-07-22 22:35:59,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:35:59,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 22:35:59,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:35:59,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 22:35:59,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 22:35:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:59,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:35:59,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 22:35:59,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:59,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:35:59,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:35:59,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:35:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:35:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:35:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:35:59,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 22:35:59,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 22:35:59,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:35:59,541 INFO L85 PathProgramCache]: Analyzing trace with hash -725773931, now seen corresponding path program 3 times [2024-07-22 22:35:59,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:35:59,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587384523] [2024-07-22 22:35:59,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:35:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:35:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-07-22 22:36:00,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:00,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587384523] [2024-07-22 22:36:00,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587384523] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 22:36:00,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160298414] [2024-07-22 22:36:00,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 22:36:00,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 22:36:00,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:00,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 22:36:00,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 22:36:00,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-07-22 22:36:00,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 22:36:00,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-22 22:36:00,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 22:36:00,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-07-22 22:36:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 22:36:00,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-07-22 22:36:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 22:36:00,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-07-22 22:36:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 22:36:00,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 22:36:01,013 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#mutex_B~0.base| v_ArrVal_214) |c_~#mutex_A~0.base|) |c_~#mutex_A~0.offset|) 0))) is different from false [2024-07-22 22:36:01,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 22:36:01,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-07-22 22:36:01,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-07-22 22:36:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 15 not checked. [2024-07-22 22:36:01,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160298414] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 22:36:01,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 22:36:01,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-07-22 22:36:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20632227] [2024-07-22 22:36:01,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 22:36:01,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-07-22 22:36:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:01,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-07-22 22:36:01,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=225, Unknown=1, NotChecked=30, Total=306 [2024-07-22 22:36:01,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:01,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:01,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.11111111111111) internal successors, (164), 17 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 22:36:01,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:01,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:36:01,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:01,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:01,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:01,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:01,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:36:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 22:36:01,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-07-22 22:36:01,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-07-22 22:36:01,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-07-22 22:36:01,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-07-22 22:36:01,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-07-22 22:36:01,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-07-22 22:36:01,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-22 22:36:02,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 22:36:02,179 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-07-22 22:36:02,187 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 22:36:02,187 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 22:36:02,189 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-22 22:36:02,189 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-22 22:36:02,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:36:02 BasicIcfg [2024-07-22 22:36:02,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 22:36:02,190 INFO L158 Benchmark]: Toolchain (without parser) took 6282.66ms. Allocated memory was 153.1MB in the beginning and 348.1MB in the end (delta: 195.0MB). Free memory was 83.4MB in the beginning and 212.4MB in the end (delta: -129.0MB). Peak memory consumption was 139.4MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,190 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:02,191 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:02,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.91ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 83.0MB in the beginning and 142.2MB in the end (delta: -59.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.46ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 139.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,191 INFO L158 Benchmark]: Boogie Preprocessor took 30.64ms. Allocated memory is still 190.8MB. Free memory was 139.1MB in the beginning and 135.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,192 INFO L158 Benchmark]: RCFGBuilder took 621.34ms. Allocated memory is still 190.8MB. Free memory was 135.9MB in the beginning and 91.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,192 INFO L158 Benchmark]: TraceAbstraction took 4957.44ms. Allocated memory was 190.8MB in the beginning and 348.1MB in the end (delta: 157.3MB). Free memory was 90.9MB in the beginning and 212.4MB in the end (delta: -121.5MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2024-07-22 22:36:02,193 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 0.19ms. Allocated memory is still 153.1MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.91ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 83.0MB in the beginning and 142.2MB in the end (delta: -59.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.46ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 139.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.64ms. Allocated memory is still 190.8MB. Free memory was 139.1MB in the beginning and 135.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 621.34ms. Allocated memory is still 190.8MB. Free memory was 135.9MB in the beginning and 91.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4957.44ms. Allocated memory was 190.8MB in the beginning and 348.1MB in the end (delta: 157.3MB). Free memory was 90.9MB in the beginning and 212.4MB in the end (delta: -121.5MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21707, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 1151, dependent conditional: 1068, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20734, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 178, dependent conditional: 95, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20734, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 178, dependent conditional: 95, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2664, dependent unconditional: 2114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2290, dependent unconditional: 2488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2290, dependent unconditional: 2488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1508, independent: 1338, independent conditional: 72, independent unconditional: 1266, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1508, independent: 1216, independent conditional: 0, independent unconditional: 1216, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 292, independent: 122, independent conditional: 72, independent unconditional: 50, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 292, independent: 122, independent conditional: 72, independent unconditional: 50, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 602, independent: 271, independent conditional: 134, independent unconditional: 138, dependent: 330, dependent conditional: 151, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25334, independent: 19218, independent conditional: 1864, independent unconditional: 17354, dependent: 4608, dependent conditional: 2212, dependent unconditional: 2396, unknown: 1508, unknown conditional: 150, unknown unconditional: 1358] , Statistics on independence cache: Total cache size (in pairs): 1508, Positive cache size: 1338, Positive conditional cache size: 72, Positive unconditional cache size: 1266, Negative cache size: 170, Negative conditional cache size: 78, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 374, Maximal queried relation: 5, Independence queries for same thread: 973 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1614, Number of trivial persistent sets: 1602, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1629, independent: 1546, independent conditional: 0, independent unconditional: 1546, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21707, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 1151, dependent conditional: 1068, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20734, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 178, dependent conditional: 95, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20734, independent: 20556, independent conditional: 19010, independent unconditional: 1546, dependent: 178, dependent conditional: 95, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2664, dependent unconditional: 2114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2290, dependent unconditional: 2488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25334, independent: 20556, independent conditional: 1936, independent unconditional: 18620, dependent: 4778, dependent conditional: 2290, dependent unconditional: 2488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1508, independent: 1338, independent conditional: 72, independent unconditional: 1266, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1508, independent: 1216, independent conditional: 0, independent unconditional: 1216, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 292, independent: 122, independent conditional: 72, independent unconditional: 50, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 292, independent: 122, independent conditional: 72, independent unconditional: 50, dependent: 170, dependent conditional: 78, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 602, independent: 271, independent conditional: 134, independent unconditional: 138, dependent: 330, dependent conditional: 151, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25334, independent: 19218, independent conditional: 1864, independent unconditional: 17354, dependent: 4608, dependent conditional: 2212, dependent unconditional: 2396, unknown: 1508, unknown conditional: 150, unknown unconditional: 1358] , Statistics on independence cache: Total cache size (in pairs): 1508, Positive cache size: 1338, Positive conditional cache size: 72, Positive unconditional cache size: 1266, Negative cache size: 170, Negative conditional cache size: 78, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 374, Maximal queried relation: 5, Independence queries for same thread: 973 - PositiveResult [Line: 1203]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1204]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 89 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.7s, 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, 2.0s InterpolantComputationTime, 364 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 448 ConstructedInterpolants, 5 QuantifiedInterpolants, 2159 SizeOfPredicates, 3 NumberOfNonLiveVariables, 209 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 384/444 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! [2024-07-22 22:36:02,229 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 [2024-07-22 22:36:02,442 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