./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/13-privatized_69-refine-protected-loop-interval_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_69-refine-protected-loop-interval_true.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/13-privatized_69-refine-protected-loop-interval_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.dk.goblint-validation-atomicfix-7bc0c75-m
[2024-08-23 09:35:24,474 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-08-23 09:35:24,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-08-23 09:35:24,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-08-23 09:35:24,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-08-23 09:35:24,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-08-23 09:35:24,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-08-23 09:35:24,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-08-23 09:35:24,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-08-23 09:35:24,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-08-23 09:35:24,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-08-23 09:35:24,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-08-23 09:35:24,585 INFO L153 SettingsManager]: * Use SBE=true
[2024-08-23 09:35:24,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-08-23 09:35:24,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-08-23 09:35:24,586 INFO L153 SettingsManager]: * sizeof long=4
[2024-08-23 09:35:24,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-08-23 09:35:24,586 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-08-23 09:35:24,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-08-23 09:35:24,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-08-23 09:35:24,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-08-23 09:35:24,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-08-23 09:35:24,588 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-08-23 09:35:24,589 INFO L153 SettingsManager]: * sizeof long double=12
[2024-08-23 09:35:24,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-08-23 09:35:24,589 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-08-23 09:35:24,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-08-23 09:35:24,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-08-23 09:35:24,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-08-23 09:35:24,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-08-23 09:35:24,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-23 09:35:24,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-08-23 09:35:24,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-08-23 09:35:24,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-08-23 09:35:24,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-08-23 09:35:24,593 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-08-23 09:35:24,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-08-23 09:35:24,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-08-23 09:35:24,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-08-23 09:35:24,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-08-23 09:35:24,594 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-08-23 09:35:24,595 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-08-23 09:35:24,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
[2024-08-23 09:35:24,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-08-23 09:35:24,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-08-23 09:35:24,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-08-23 09:35:24,906 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-08-23 09:35:24,906 INFO L274 PluginConnector]: CDTParser initialized
[2024-08-23 09:35:24,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i
[2024-08-23 09:35:26,299 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-08-23 09:35:26,536 INFO L384 CDTParser]: Found 1 translation units.
[2024-08-23 09:35:26,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i
[2024-08-23 09:35:26,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e763d0cc3/0a9be796dbfe4268817d9b80bf21fe58/FLAGa9c560f0e
[2024-08-23 09:35:26,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e763d0cc3/0a9be796dbfe4268817d9b80bf21fe58
[2024-08-23 09:35:26,881 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-08-23 09:35:26,882 INFO L274 PluginConnector]: Witness Parser initialized
[2024-08-23 09:35:26,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/13-privatized_69-refine-protected-loop-interval_true.yml/witness.yml
[2024-08-23 09:35:26,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-08-23 09:35:26,941 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-08-23 09:35:26,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-08-23 09:35:26,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-08-23 09:35:26,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-08-23 09:35:26,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 09:35:26" (1/2) ...
[2024-08-23 09:35:26,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7354214f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 09:35:26, skipping insertion in model container
[2024-08-23 09:35:26,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 09:35:26" (1/2) ...
[2024-08-23 09:35:26,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@211313ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 09:35:26, skipping insertion in model container
[2024-08-23 09:35:26,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 09:35:26" (2/2) ...
[2024-08-23 09:35:26,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7354214f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:26, skipping insertion in model container
[2024-08-23 09:35:26,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 09:35:26" (2/2) ...
[2024-08-23 09:35:26,951 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-08-23 09:35:26,973 INFO L95 edCorrectnessWitness]: Found the following entries in the witness:
[2024-08-23 09:35:26,974 INFO L97 edCorrectnessWitness]: Location invariant before [L710-L711] (0 <= g) && (g <= 1000)
[2024-08-23 09:35:27,016 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-08-23 09:35:27,385 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-08-23 09:35:27,399 INFO L202 MainTranslator]: Completed pre-run
Start Parsing Local
[2024-08-23 09:35:27,495 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-08-23 09:35:27,534 INFO L206 MainTranslator]: Completed translation
[2024-08-23 09:35:27,534 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27 WrapperNode
[2024-08-23 09:35:27,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-08-23 09:35:27,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-08-23 09:35:27,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-08-23 09:35:27,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-08-23 09:35:27,543 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 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,554 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 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,576 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 104
[2024-08-23 09:35:27,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-08-23 09:35:27,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-08-23 09:35:27,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-08-23 09:35:27,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-08-23 09:35:27,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-08-23 09:35:27,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-08-23 09:35:27,621 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-08-23 09:35:27,621 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-08-23 09:35:27,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (1/1) ...
[2024-08-23 09:35:27,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-23 09:35:27,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-23 09:35:27,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-08-23 09:35:27,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-08-23 09:35:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure worker
[2024-08-23 09:35:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure worker
[2024-08-23 09:35:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-08-23 09:35:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-08-23 09:35:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-08-23 09:35:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-08-23 09:35:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-08-23 09:35:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-08-23 09:35:27,676 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-08-23 09:35:27,784 INFO L243 CfgBuilder]: Building ICFG
[2024-08-23 09:35:27,786 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-08-23 09:35:27,949 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-08-23 09:35:27,949 INFO L292 CfgBuilder]: Performing block encoding
[2024-08-23 09:35:28,127 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-08-23 09:35:28,127 INFO L319 CfgBuilder]: Removed 3 assume(true) statements.
[2024-08-23 09:35:28,128 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 09:35:28 BoogieIcfgContainer
[2024-08-23 09:35:28,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-08-23 09:35:28,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-08-23 09:35:28,131 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-08-23 09:35:28,133 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-08-23 09:35:28,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 09:35:26" (1/4) ...
[2024-08-23 09:35:28,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239a34ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 09:35:28, skipping insertion in model container
[2024-08-23 09:35:28,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 09:35:26" (2/4) ...
[2024-08-23 09:35:28,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239a34ad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 09:35:28, skipping insertion in model container
[2024-08-23 09:35:28,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 09:35:27" (3/4) ...
[2024-08-23 09:35:28,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239a34ad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 09:35:28, skipping insertion in model container
[2024-08-23 09:35:28,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 09:35:28" (4/4) ...
[2024-08-23 09:35:28,136 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i
[2024-08-23 09:35:28,154 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-08-23 09:35:28,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-08-23 09:35:28,155 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-08-23 09:35:28,192 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-08-23 09:35:28,234 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-23 09:35:28,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-23 09:35:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-23 09:35:28,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-08-23 09:35:28,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-08-23 09:35:28,275 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-23 09:35:28,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-08-23 09:35:28,295 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;@5a04e2f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-23 09:35:28,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-08-23 09:35:28,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-23 09:35:28,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-23 09:35:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 476590232, now seen corresponding path program 1 times
[2024-08-23 09:35:28,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-23 09:35:28,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022555763]
[2024-08-23 09:35:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-23 09:35:28,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-23 09:35:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-23 09:35:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-23 09:35:28,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-23 09:35:28,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022555763]
[2024-08-23 09:35:28,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022555763] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-23 09:35:28,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-23 09:35:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-08-23 09:35:28,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747904240]
[2024-08-23 09:35:28,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-23 09:35:28,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-23 09:35:28,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-23 09:35:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-23 09:35:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-23 09:35:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:28,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-23 09:35:28,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-23 09:35:28,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:28,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-08-23 09:35:28,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-23 09:35:28,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-23 09:35:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash -614401032, now seen corresponding path program 1 times
[2024-08-23 09:35:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-23 09:35:28,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983348707]
[2024-08-23 09:35:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-23 09:35:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-23 09:35:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-23 09:35:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-23 09:35:29,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-23 09:35:29,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983348707]
[2024-08-23 09:35:29,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983348707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-23 09:35:29,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-23 09:35:29,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-23 09:35:29,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801015166]
[2024-08-23 09:35:29,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-23 09:35:29,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-23 09:35:29,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-23 09:35:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-23 09:35:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-23 09:35:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-23 09:35:29,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-23 09:35:29,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-08-23 09:35:29,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-23 09:35:29,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-23 09:35:29,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1819672026, now seen corresponding path program 2 times
[2024-08-23 09:35:29,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-23 09:35:29,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038322162]
[2024-08-23 09:35:29,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-23 09:35:29,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-23 09:35:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-23 09:35:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-23 09:35:29,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-23 09:35:29,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038322162]
[2024-08-23 09:35:29,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038322162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-23 09:35:29,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-23 09:35:29,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-23 09:35:29,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239883289]
[2024-08-23 09:35:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-23 09:35:29,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-23 09:35:29,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-23 09:35:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-23 09:35:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-23 09:35:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-23 09:35:29,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-23 09:35:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-08-23 09:35:29,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-23 09:35:29,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-23 09:35:29,224 INFO L85 PathProgramCache]: Analyzing trace with hash 183647897, now seen corresponding path program 1 times
[2024-08-23 09:35:29,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-23 09:35:29,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781371772]
[2024-08-23 09:35:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-23 09:35:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-23 09:35:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-23 09:35:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-08-23 09:35:29,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-23 09:35:29,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781371772]
[2024-08-23 09:35:29,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781371772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-23 09:35:29,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-23 09:35:29,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-23 09:35:29,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921053786]
[2024-08-23 09:35:29,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-23 09:35:29,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-23 09:35:29,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-23 09:35:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-23 09:35:29,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-08-23 09:35:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-23 09:35:29,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-23 09:35:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-08-23 09:35:29,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-08-23 09:35:29,521 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-23 09:35:29,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-23 09:35:29,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1771655928, now seen corresponding path program 2 times
[2024-08-23 09:35:29,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-23 09:35:29,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113498763]
[2024-08-23 09:35:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-23 09:35:29,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-23 09:35:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-23 09:35:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2024-08-23 09:35:29,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-23 09:35:29,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113498763]
[2024-08-23 09:35:29,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113498763] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-23 09:35:29,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-23 09:35:29,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-23 09:35:29,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227841190]
[2024-08-23 09:35:29,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-23 09:35:29,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-23 09:35:29,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-23 09:35:29,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-23 09:35:29,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-08-23 09:35:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-23 09:35:29,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-23 09:35:29,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-08-23 09:35:29,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-23 09:35:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-23 09:35:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-08-23 09:35:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-08-23 09:35:29,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining)
[2024-08-23 09:35:29,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-08-23 09:35:29,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-08-23 09:35:29,919 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1]
[2024-08-23 09:35:29,921 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-08-23 09:35:29,921 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-08-23 09:35:29,923 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-08-23 09:35:29,924 INFO L508 ceAbstractionStarter]: WitnessConsidered=1
[2024-08-23 09:35:29,925 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 09:35:29 BasicIcfg
[2024-08-23 09:35:29,925 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-08-23 09:35:29,926 INFO L158 Benchmark]: Toolchain (without parser) took 2985.08ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 91.0MB in the beginning and 128.5MB in the end (delta: -37.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,926 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 113.0MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-08-23 09:35:29,926 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-08-23 09:35:29,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.42ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 67.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.96ms. Allocated memory is still 146.8MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,930 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,930 INFO L158 Benchmark]: RCFGBuilder took 507.83ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 63.1MB in the beginning and 174.1MB in the end (delta: -111.1MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,931 INFO L158 Benchmark]: TraceAbstraction took 1794.63ms. Allocated memory is still 216.0MB. Free memory was 174.1MB in the beginning and 128.5MB in the end (delta: 45.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB.
[2024-08-23 09:35:29,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 113.0MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 592.42ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 67.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.96ms. Allocated memory is still 146.8MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.55ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 507.83ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 63.1MB in the beginning and 174.1MB in the end (delta: -111.1MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1794.63ms. Allocated memory is still 216.0MB. Free memory was 174.1MB in the beginning and 128.5MB in the end (delta: 45.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 733, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 95, dependent conditional: 87, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 19, dependent conditional: 11, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 19, dependent conditional: 11, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 22, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 43, dependent conditional: 14, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 679, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 213, unknown conditional: 3, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 4, Independence queries for same thread: 76
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 71, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 733, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 95, dependent conditional: 87, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 19, dependent conditional: 11, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657, independent: 638, independent conditional: 368, independent unconditional: 270, dependent: 19, dependent conditional: 11, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 22, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 679, independent: 638, independent conditional: 0, independent unconditional: 638, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 43, dependent conditional: 14, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 679, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 213, unknown conditional: 3, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 4, Independence queries for same thread: 76
- PositiveResult [Line: 710]: 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 3 procedures, 36 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 84/84 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!
[2024-08-23 09:35:29,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-08-23 09:35:30,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE